A package of design measures giving improved piston-running behaviour, lower wear rates, longer time between overhauls, and lower cylinder lubricant feed rates.

The new concept of combination carrier developed by Norwegian shipbroker, O-J Libaek.

Trickle charging means charging a fully charged battery at a rate equal to its self-discharge rate, thus enabling the battery to remain at its fully charged level.

TRIGA is a swimming pool reactor that can be installed without a containment building, and is designed for research and testing use by scientific institutions and universities for purposes such as undergraduate and graduate education, private commercial research, non-destructive testing and isotope production.

The TRIGA reactor uses UZrH fuel, which has a prompt negative fuel temperature coefficient of reactivity, meaning that as the temperature of the core increases, the reactivity decreases—so it is highly unlikely for a meltdown to occur.

The difference of the drafts between forward and aft.

A stability manual.

Built by Austal Ships, Australia, the aluminium ro-pax ferry BENCHIJIGUA EXPRESS is the world first trimaran ro-pax ferry.

The partial or total levelling of the cargo within the holds by means of loading spouts or chutes, portable machinery or manually.

Adding, removal or shifting of weight in a ship to achieve the required forward and aft draughts.

The shovelling or sweeping up of smaller quantities of the cargo in the holds by mechanical means (such as bulldozers) or other means to place them in a convenient position for discharge.

A triode is an electronic amplifying vacuum tube consisting of three electrodes inside an evacuated glass envelope: a heated filament or cathode, a grid, and a plate (anode).

In thermodynamics, the triple point of a substance is the temperature and pressure at which the three phases (gas, liquid, and solid) of that substance coexist in thermodynamic equilibrium.

Triplex plunger pumps use three plungers, which reduces the pulsation of single reciprocating plunger pumps.

A support structure used in offshore wind turbine installations.

A support structure used in offshore wind turbine installations in water 20–80 m deep

A flat bar or plate fitted to a deck girder, stiffener, beam, etc., to reinforce the free edge.

The fishing method used for the capture of high-value pelagic species, such as salmon and tuna.

A Trombe wall is a massive Equator-facing wall that is painted a dark color in order to absorb thermal energy from incident sunlight and covered with a glass on the outside with an insulating air-gap between the wall and the glaze.

Tropical monsoon climates have monthly mean temperatures above 18 °C (64 °F) in every month of the year and a dry season.