Trap pertains to a type of fishing by means of devices such as cages that trap fish in a confined environment.

Transport packaging refers to a kind of packaging used for transporting products from manufacturers to distributors or retailers.

Transponder pertains to the device in a communications satellite that receives signals from an uplink on earth and transmits it back to earth (downlink).

Transducer is identified as an electronic sensing device in the bottom of the boat, usually in a through-Hull, that provides the data for a boat's depthsounder or speedometer.

Train is referring to one or more engines coupled with or without rail cars.

Tractor is described as a machine designed for towing. I.e. farm tractor, caterpillar tractor, highway tractor.

Tooling is the general name given to several related techniques of working vegetable-tanned leather to create effects of low-relief: carving, stamping, embossing, etc.

Thermostat refers to a device which relegates the temperature of a room or building by switching heating or cooling equipment on or off.