# KT Automation Pvt Ltd (KTI®) > Product, category, and key company pages return a Markdown representation when requested with `Accept: text/markdown` (or `?format=md`). HTML remains the default for browsers. The complete live product list is generated at [llms-full.txt](https://ktindia.net/llms-full.txt) by the sitemap pipeline. > KT Automation Pvt Ltd (KTI®) is an Indian B2B e-commerce company headquartered in Vadodara, Gujarat, India, specialising in Safety, Security, and Automation solutions. Established in 1995 with a mission to make India Safer, Securer, and Automated, KTI® has grown to offer over 4,700 products across hundreds of categories, serving clients across every Indian state and union territory. The company is recognised as an Innovative Startup by the Government of India – Department for Promotion of Industry and Internal Trade (DIPP). Major clients include Siemens, Adani Wilmar, Indian Oil, Sun Pharma, Hindalco, and Powergrid. KTI® operates as both a product supplier and solutions integrator. Products are priced in Indian Rupees (INR) exclusive of GST and freight. Registered office: D 32-33, Kamalanjali Complex, Above HDFC Bank, Radhakrishna Crossing, Akota, Vadodara, Gujarat – 390020. Contact: +91 8347888384 | contact@ktindia.net. Business hours: Monday–Saturday, 10 am to 5 pm IST. ## Core Sections - [Home](https://ktindia.net/): Landing page with featured products, new listings, and top showcase items. - [All Products](https://ktindia.net/allProducts): Full product catalogue with pricing, SKU codes, and cart functionality. - [All Categories](https://ktindia.net/allCategories): Hierarchical browse of all product categories. - [About KTI](https://ktindia.net/about): Company history (1995–present), awards, client testimonials, and gallery. - [Support](https://ktindia.net/support): Customer support portal. - [Contact Us](https://ktindia.net/contact): Enquiry form and contact details. - [Blogs](https://ktindia.net/blogs): Articles and knowledge resources on safety, security, and automation topics. - [Careers](https://ktindia.net/careers): Open positions at KT Automation Pvt Ltd. - [Photo Gallery](https://ktindia.net/gallery): Images of KTI customers, associates, projects, and team. - [Our Brands](https://ktindia.net/ourBrands): Partner and associated brands stocked by KTI. - [KTI Brochure](https://ktindia.net/KTIBrochure.pdf): Downloadable company brochure (PDF). - [Sitemap](https://ktindia.net/sitemap.html): Full site structure. - [Customer Portal Login](https://ktindia.net/public/portal/login): Registered customer login for order management. - [Cart](https://ktindia.net/cart): Shopping cart for online ordering. ## Safety Products ### Fire Safety Solutions - [Fire Safety Solutions (Category)](https://ktindia.net/category/fire-safety-solutions): Overview of all fire safety products. - [CO2 Flooding System](https://ktindia.net/category/co2-flooding-system) - [Fire Alarm System](https://ktindia.net/category/fire-alarm-system) - [Fire Ball](https://ktindia.net/category/fire-ball) - [Fire Blanket](https://ktindia.net/category/fire-blanket) - [Fire Bucket](https://ktindia.net/category/fire-bucket) - [Fire Door](https://ktindia.net/category/fire-door) - [Fire Extinguishers](https://ktindia.net/category/fire-extinguishers) - [Fire Suit](https://ktindia.net/category/fire-suit) - [Fire Suppression System](https://ktindia.net/category/fire-suppression-system) - [Flame Proof Flasher / Explosion Proof LED](https://ktindia.net/category/flame-proof-flasher-explosion-proof-led) - [Gas Detectors](https://ktindia.net/category/gas-detectors) - [Smoke Detector](https://ktindia.net/category/smoke-detector) - [Smoke Detector Test Kit](https://ktindia.net/category/smoke-detector-test-kit) - [Welding Curtain](https://ktindia.net/category/welding-curtain) ### PPE – Personal Protective Equipment - [PPE Category Overview](https://ktindia.net/category/ppe-personal-protective-equipment) - [Apron](https://ktindia.net/category/apron) - [Barricade Fence](https://ktindia.net/category/barricade-fence) - [Boiler Suit](https://ktindia.net/category/boiler-suit) - [Chemical Suit](https://ktindia.net/category/chemical-suit) - [Cooling Jacket](https://ktindia.net/category/cooling-jacket) - [COVID-19 Related PPE](https://ktindia.net/category/covid-19-related-ppe) - [Disposable PPEs](https://ktindia.net/category/disposable-ppes) - [Ear Muff](https://ktindia.net/category/ear-muff) - [Electrical Mat](https://ktindia.net/category/electrical-mat) - [Fall Protection System](https://ktindia.net/category/fall-protection-system) - [First Aid Kit](https://ktindia.net/category/first-aid-kit) - [Folding Stretcher](https://ktindia.net/category/folding-stretcher) - [Industrial Safety Helmet](https://ktindia.net/category/industrial-safety-helmet) - [Life Jacket](https://ktindia.net/category/life-jacket) - [Lifebuoy](https://ktindia.net/category/lifebuoy) - [Portable Eye Wash](https://ktindia.net/category/portable-eye-wash) - [Reflective Jacket](https://ktindia.net/category/reflective-jacket) - [Respiratory Face Mask](https://ktindia.net/category/respiratory-face-mask) - [Safety Goggles](https://ktindia.net/category/safety-goggles) - [Safety Hand Gloves](https://ktindia.net/category/safety-hand-gloves) - [Safety Harness](https://ktindia.net/category/safety-harness) - [Safety Net](https://ktindia.net/category/safety-net) - [Safety Shoes](https://ktindia.net/category/safety-shoes) - [Safety Shower](https://ktindia.net/category/safety-shower) - [Self Contained Breathing Apparatus (SCBA)](https://ktindia.net/category/self-contained-breathing-apparatus-scba) - [Snake Catcher / Catching Stick](https://ktindia.net/category/snake-catcher-catching-stick) - [Wheel Chair](https://ktindia.net/category/wheel-chair) ### Road Traffic Safety Solutions - [Road Traffic Safety (Category)](https://ktindia.net/category/road-traffic-safety-solutions) - [Anti Skid Tape](https://ktindia.net/category/anti-skid-tape) - [Bollards](https://ktindia.net/category/bollards) - [Cable Protector](https://ktindia.net/category/cable-protector) - [Caution Barricade Tape](https://ktindia.net/category/caution-barricade-tape) - [Convex Mirror / Dome Convex Mirror](https://ktindia.net/category/convex-mirror-dome-convex-mirror) - [Corner Pillar Guard](https://ktindia.net/category/corner-pillar-guard) - [Delineator](https://ktindia.net/category/delineator) - [Dock Bumper](https://ktindia.net/category/dock-bumper) - [Floor Message Board](https://ktindia.net/category/floor-message-board) - [Hazard Marker](https://ktindia.net/category/hazard-marker) - [Lane Divider](https://ktindia.net/category/lane-divider) - [Lane Marking Tape](https://ktindia.net/category/lane-marking-tape) - [LED Curb Stones](https://ktindia.net/category/led-curb-stones) - [Median Marker](https://ktindia.net/category/median-marker) - [Metal Beam Crash Barrier / Guard Rails](https://ktindia.net/category/metal-beam-crash-barrier-guard-rails) - [Parking Paint](https://ktindia.net/category/parking-paint) - [Parking Post](https://ktindia.net/category/parking-post) - [Pedestrian Crossing System](https://ktindia.net/category/pedestrian-crossing-system) - [Plastic Chain](https://ktindia.net/category/plastic-chain) - [Queue Manager](https://ktindia.net/category/queue-manager) - [Reflective / Radium Tapes](https://ktindia.net/category/reflective-radium-tapes) - [Reflectors](https://ktindia.net/category/reflectors) - [Road Barriers](https://ktindia.net/category/road-barriers) - [Road Studs / Cateye](https://ktindia.net/category/road-studs-or-cateye) - [Roller Barrier](https://ktindia.net/category/roller-barrier) - [Safety Cones](https://ktindia.net/category/safety-cones) - [Safety Railing](https://ktindia.net/category/safety-railing) - [Solar Chevron](https://ktindia.net/category/solar-chevron) - [Solar Flasher](https://ktindia.net/category/solar-flasher) - [Solar Speed Sign](https://ktindia.net/category/solar-speed-sign) - [Speed Breaker](https://ktindia.net/category/speed-breaker) - [Spring Post](https://ktindia.net/category/spring-post) - [Thermoplastic Paint (Hot)](https://ktindia.net/category/thermo-plastic-paint-hot) - [Traffic Baton](https://ktindia.net/category/traffic-baton) - [Traffic Flasher](https://ktindia.net/category/traffic-flasher) - [Traffic Light](https://ktindia.net/category/traffic-light) - [Warning Triangle](https://ktindia.net/category/warning-triangle) - [Wheel Chock](https://ktindia.net/category/wheel-chock) - [Wheel Lock](https://ktindia.net/category/wheel-lock) - [Wheel Stopper](https://ktindia.net/category/wheel-stopper) ### Signage Solutions - [Signage Solutions (Category)](https://ktindia.net/category/signage-solutions) - [ACP Signages](https://ktindia.net/category/acp-signages) - [Auto Glow Signages](https://ktindia.net/category/auto-glow-signages) - [Digital Signages](https://ktindia.net/category/digital-signages) - [Emergency Lights](https://ktindia.net/category/emergency-lights) - [Flame Proof Signages](https://ktindia.net/category/flame-proof-signages) - [Foam Sheet Signages](https://ktindia.net/category/foam-sheet-signages) - [Metal Signages](https://ktindia.net/category/metal-signages) ## Security Products ### Alcohol Detector / Breath Analyser - [Alcohol Detector (Category)](https://ktindia.net/category/alcohol-detector-breath-analyser) - [Contact Alcohol Detector](https://ktindia.net/category/contact-alcohol-detector) - [Contactless Alcohol Detector](https://ktindia.net/category/contactless-alcohol-detector) ### CCTV Surveillance System - [CCTV Surveillance (Category)](https://ktindia.net/category/cctv-surveillance-system) - [Analog Camera](https://ktindia.net/category/analog-camera) - [ANPR (Automatic Number Plate Recognition)](https://ktindia.net/category/anpr) - [Body Worn Camera](https://ktindia.net/category/body-worn-camera) - [Borewell Camera](https://ktindia.net/category/borewell-camera) - [CCTV Accessories](https://ktindia.net/category/cctv-accessories) - [Drone Camera System](https://ktindia.net/category/drone-camera-system) - [Explosion / Flame Proof Camera](https://ktindia.net/category/explosion-flame-proof-camera) - [HD CCTV System](https://ktindia.net/category/hd-cctv-system) - [IP CCTV System](https://ktindia.net/category/ip-cctv-system) - [Mobile CCTV](https://ktindia.net/category/mobile-cctv) - [Solar Camera](https://ktindia.net/category/solar-camera) - [Thermal Camera](https://ktindia.net/category/thermal-camera) - [Underwater Camera](https://ktindia.net/category/underwater-camera) - [Video Wall Solutions](https://ktindia.net/category/video-wall-solutions) ### Corporate Security Solutions - [Corporate Solutions (Category)](https://ktindia.net/category/corporate-solutions) - [Asset Tracking Solution](https://ktindia.net/category/asset-tracking-solution) - [Binoculars](https://ktindia.net/category/binoculars) - [Bomb Blanket / Basket](https://ktindia.net/category/bomb-blanket-basket) - [Bomb Disposal Kit](https://ktindia.net/category/bomb-disposal-kit) - [Bullet Proof Solutions](https://ktindia.net/category/bullet-proof-solutions) - [Conference Room Solutions](https://ktindia.net/category/conference-room-solutions) - [Container Scanning System](https://ktindia.net/category/container-scanning-system) - [Digital Key Management System](https://ktindia.net/category/digital-key-management-system) - [Forklift Light](https://ktindia.net/category/forklift-light) - [Full Body Scanner](https://ktindia.net/category/full-body-scanner) - [GPS System](https://ktindia.net/category/gps-system) - [Guard Tour System](https://ktindia.net/category/guard-tour-system) - [Hand Held Explosive Detector](https://ktindia.net/category/hand-held-explosive-detector) - [Head Count System](https://ktindia.net/category/head-count-system) - [High Mast Lights](https://ktindia.net/category/high-mask-lights) - [Lady Frisking Cabin](https://ktindia.net/category/lady-frisking-cabin) - [Lock Tags](https://ktindia.net/category/lock-tags) - [Mobile Security Tags](https://ktindia.net/category/mobile-security-tags) - [Porta Cabin](https://ktindia.net/category/porta-cabin) - [Riot Drill Equipment](https://ktindia.net/category/riot-drill-equipment) - [Siren / Hooter Solutions](https://ktindia.net/category/siren,-hooter-solutions) - [Speed Gun / Radar](https://ktindia.net/category/speed-gun-radar) - [Speed Limit Violation System](https://ktindia.net/category/speed-limit-violation-system) - [Staff Mobile Lockers](https://ktindia.net/category/staff-mobile-lockers) - [Touch Screen Kiosk](https://ktindia.net/category/touch-screen-kiosk) - [Traffic Control Management System](https://ktindia.net/category/traffic-control-management-system) - [Under Vehicle Scanning System](https://ktindia.net/category/under-vehicle-scanning-system) - [Visitor Management System](https://ktindia.net/category/visitor-management-system) - [Voice Recorder](https://ktindia.net/category/voice-recorder) - [Walkie Talkie](https://ktindia.net/category/walkie-talkie) - [Warehouse Management System](https://ktindia.net/category/warehouse-management-system) - [Windsock](https://ktindia.net/category/windsock) - [Wireless Panic / Emergency Response System](https://ktindia.net/category/wireless-panic-emergency-response-system) - [X-ray Baggage Scanner](https://ktindia.net/category/x-ray-baggage-scanner) ### Home Security & Automation Solutions - [Home Security (Category)](https://ktindia.net/category/home-security-automation-solutions) - [Emergency Alarm System](https://ktindia.net/category/emergency-alarm-system) - [Home Automation System](https://ktindia.net/category/home-automation-system) - [Intrusion System](https://ktindia.net/category/intrusion-system) - [PIR Motion Sensor](https://ktindia.net/category/pir-motion-sensor) - [Video Door Phone Solutions](https://ktindia.net/category/video-door-phone-solutions) ### LED Searchlights - [LED Searchlights (Category)](https://ktindia.net/category/led-searchlights) - [Flameproof Searchlight](https://ktindia.net/category/flameproof-searchlight) - [Handheld Searchlight](https://ktindia.net/category/handheld-searchlight) - [Head Lamp](https://ktindia.net/category/head-lamp) - [Rechargeable Work Light](https://ktindia.net/category/rechargable-work-light) - [Revolving Searchlight](https://ktindia.net/category/revolving-searchlight) - [Tripod Mounted Searchlight](https://ktindia.net/category/tripod-mounted-searchlight) ### Metal Detector Solutions - [Metal Detectors (Category)](https://ktindia.net/category/metal-detector-solutions) - [DFMD – Door Frame Metal Detector](https://ktindia.net/category/dfmd-door-frame-metal-detector) - [DSMD – Underground Deep Search Metal Detector](https://ktindia.net/category/dsmd-underground-deep-search-metal-detector) - [HHMD – Hand Held Metal Detector](https://ktindia.net/category/hhmd-hand-held-metal-detector) - [Industrial Metal Detector](https://ktindia.net/category/industrial-metal-detector) - [Tablet Metal Detector](https://ktindia.net/category/tablet-metal-detector) - [UVSM – Under Vehicle Search Mirror](https://ktindia.net/category/uvsm-under-vehicle-search-mirror) ### Perimeter Protection Solutions - [Perimeter Protection (Category)](https://ktindia.net/category/perimeter-protection-solutions) - [Anti Climb Fence](https://ktindia.net/category/anti-climb-fence) - [Beam Detector](https://ktindia.net/category/beam-detector) - [Chain Link Fence](https://ktindia.net/category/chain-link-fence) - [Concertina Coil Fence](https://ktindia.net/category/concertina-coil-fence) - [Sensor Based Perimeter Protection](https://ktindia.net/category/sensor-based-perimeter-protection) - [Solar Fence](https://ktindia.net/category/solar-fence) - [UNICO Weldmesh Fencing](https://ktindia.net/category/unico-weldmesh-fencing) ## Automation Products ### Access Control & Attendance System - [Access Control & Attendance (Category)](https://ktindia.net/category/access-control,-attendance-system) - [Access Control](https://ktindia.net/category/access-control) - [Attendance System](https://ktindia.net/category/attendance-system) - [Canteen Management System](https://ktindia.net/category/canteen-management-system) - [Digital Electrical Locks](https://ktindia.net/category/digital-electrical-locks) - [Door Interlocking](https://ktindia.net/category/door-interlocking) - [EAS – Electronic Article Surveillance System](https://ktindia.net/category/eas-electronic-article-surveillance-system) - [Elevator Control System](https://ktindia.net/category/elevator-control-system) - [Hotel Locking System](https://ktindia.net/category/hotel-locking-system) - [ID Solutions](https://ktindia.net/category/id-solutions) - [Library Management System](https://ktindia.net/category/library-management-system) - [Multi Door Controller](https://ktindia.net/category/multi-door-controller) - [Slave Reader](https://ktindia.net/category/slave-reader) ### Automatic Entry Solutions - [Automatic Entry (Category)](https://ktindia.net/category/automatic-entry-solutions) - [Automatic Garage Door](https://ktindia.net/category/automatic-garage-door) - [Automatic Rising Hydraulic Bollard](https://ktindia.net/category/automatic-rising-hydraulic-bollard) - [Automatic Sliding Door](https://ktindia.net/category/automatic-sliding-door) - [Automatic Sliding Roof](https://ktindia.net/category/automatic-sliding-roof) - [Automatic Swing Gate](https://ktindia.net/category/automatic-swing-gate) - [Boom Barrier](https://ktindia.net/category/boom-barrier) - [Dock Leveler](https://ktindia.net/category/dock-leveler) - [Flap Barrier / Turnstile](https://ktindia.net/category/flap-barrier-turnstile) - [High Speed Roll Up Door](https://ktindia.net/category/high-speed-roll-up-door) - [LED Guided Parking Management System](https://ktindia.net/category/led-guided-parking-management-system) - [Multi Level Car Parking](https://ktindia.net/category/multi-level-car-parking) - [Parking Management System](https://ktindia.net/category/parking-management-system) - [Retractable Gate](https://ktindia.net/category/retractable-gate) - [Road Blocker](https://ktindia.net/category/road-blocker) - [Rolling Shutter](https://ktindia.net/category/rolling-shutter) - [Sectional Door](https://ktindia.net/category/sectional-door) - [Sliding Gate](https://ktindia.net/category/sliding-gate) - [Telescopic Gate](https://ktindia.net/category/telescopic-gate) - [Tyre Killer](https://ktindia.net/category/tyre-killer) ### Housekeeping Solutions - [Housekeeping (Category)](https://ktindia.net/category/house-keeping-solution) - [Brush Cutter](https://ktindia.net/category/brush-cutter) - [Pressure Washer](https://ktindia.net/category/pressure-washer) - [Scrubber Dryer](https://ktindia.net/category/scrubber-dryer) - [Sweeper Machine](https://ktindia.net/category/sweeper-machine) - [Vacuum Cleaner](https://ktindia.net/category/vacuum-cleaner) ### Hygiene Automation Solutions - [Hygiene Automation (Category)](https://ktindia.net/category/hygiene-automation-solutions) - [Air Curtain](https://ktindia.net/category/air-curtain) - [Bird Repeller](https://ktindia.net/category/bird-repeller) - [Bird Spikes](https://ktindia.net/category/bird-spikes) - [Dustbin](https://ktindia.net/category/dustbin) - [Hand Dryer](https://ktindia.net/category/hand-dryer) - [Hand Sanitizer Dispenser](https://ktindia.net/category/hand-sanitizer-dispenser) - [Insect Killer](https://ktindia.net/category/insect-killer) - [Mole Chaser](https://ktindia.net/category/mole-chaser) - [Paper Towel Dispenser](https://ktindia.net/category/paper-towel-dispenser) - [Perfume Dispenser](https://ktindia.net/category/perfume-dispenser) - [PVC Strip](https://ktindia.net/category/pvc-strip) - [Sensor Tap](https://ktindia.net/category/sensor-tap) - [Shoe Cover Dispenser](https://ktindia.net/category/shoe-cover-dispenser) - [Shoe Polish / Shining Machine](https://ktindia.net/category/shoe-polish-shining-machine) - [Soap Dispenser](https://ktindia.net/category/soap-dispenser) - [Urinal Flusher](https://ktindia.net/category/urinal-flusher) ### LED Display Solutions - [LED Display (Category)](https://ktindia.net/category/led-display-solutions) - [Bank Interest Rate Display](https://ktindia.net/category/bank-interest-rate-display) - [Digital Clock](https://ktindia.net/category/digital-clock) - [Jewelry Rate Display Board](https://ktindia.net/category/jewelry-rate-display-board) - [Moving LED Display Board](https://ktindia.net/category/moving-led-display-board) - [Production Display](https://ktindia.net/category/production-display) - [Restaurant / Shop Display Board](https://ktindia.net/category/restaurant-shop-display-board) - [Safety LED Display Board](https://ktindia.net/category/safety-led-display-board) - [Score Board](https://ktindia.net/category/score-board) - [Temperature Clock](https://ktindia.net/category/temperature-clock) - [Temperature Humidity Display](https://ktindia.net/category/temperature-humidity-display) - [Token Displays (Wired & Wireless)](https://ktindia.net/category/token-displays-wired,-wireless) - [Vehicle Calling Display](https://ktindia.net/category/vehicle-calling-display) ### Office Automation Solutions - [Office Automation (Category)](https://ktindia.net/category/office-automation-solutions) - [Attendant / Waiter / Nurse Calling System](https://ktindia.net/category/attendant-waiter-nurse-calling-system) - [Automatic Bell System](https://ktindia.net/category/automatic-bell-system) - [Bar Code Solutions](https://ktindia.net/category/bar-code-solutions) - [Currency Counting Machine](https://ktindia.net/category/currency-counting-machine) - [Digital Safe](https://ktindia.net/category/digital-safe) - [EPABX](https://ktindia.net/category/epabx) - [ID Card Printer](https://ktindia.net/category/id-card-printer) - [Interactive Board](https://ktindia.net/category/interactive-board) - [Lamination Machines](https://ktindia.net/category/lamination-machines) - [Paper Shredder](https://ktindia.net/category/paper-shredder) - [Projectors & Accessories](https://ktindia.net/category/projectors,-accessories) - [Visiting Card Scanner](https://ktindia.net/category/visiting-card-scanner) - [Voice Logger](https://ktindia.net/category/voice-logger) ### PA (Public Address) Solutions - [PA Solutions (Category)](https://ktindia.net/category/pa-solutions) - [Amplifiers & Speakers](https://ktindia.net/category/amplifiers,-speakers) - [Controller for PA System](https://ktindia.net/category/controller-for-pa-system) - [Counter Communication System](https://ktindia.net/category/counter-communication-system) - [Flame Proof Speaker](https://ktindia.net/category/flame-proof-speaker) - [Garden Speakers](https://ktindia.net/category/garden-speakers) - [IP PA System](https://ktindia.net/category/ip-pa-system) - [Microphones](https://ktindia.net/category/mikes-microphones) - [Podium](https://ktindia.net/category/podium) - [Portable Trolley Speakers](https://ktindia.net/category/portable-trolly-trolley-speakers) - [Horn Speakers](https://ktindia.net/category/speakers,-horn-speakers) - [Wireless Megaphones](https://ktindia.net/category/wireless-megaphones) ### Solar Solutions - [Solar Solutions (Category)](https://ktindia.net/category/solar-solutions) - [Solar Blinker](https://ktindia.net/category/solar-blinker) - [Solar Power Plant](https://ktindia.net/category/solar-power-plant) - [Solar Street Light](https://ktindia.net/category/solar-street-light) ## Policies & Legal - [Shipping Policy](https://ktindia.net/shipping_policy): Delivery timelines, freight charges, and courier partners. - [Privacy Policy](https://ktindia.net/privacy_policy): Data collection, usage, and protection practices. - [Terms & Conditions](https://ktindia.net/terms_conditions): Website and purchase terms of use. - [Cancellations & Refunds](https://ktindia.net/cancellations_refunds): Order cancellation rules and refund process. # KTIndia LLM Knowledge Sources https://ktindia.net/ai-corpus.txt https://ktindia.net/product-ontology.txt https://ktindia.net/use-case-knowledge.txt https://ktindia.net/industrial-problem-solution-map.txt https://ktindia.net/industrial-keyword-knowledge.txt https://ktindia.net/entity-knowledge.txt https://ktindia.net/industry-relationships.txt https://ktindia.net/product-synonyms.txt https://ktindia.net/installation-environments.txt https://ktindia.net/faq-knowledge.txt