That portion of the base metal that was not melted during brazing, cutting, or welding, but whose microstructure and mechanical properties were altered by the heat; Refers to area adjacent to a weld where the thermal cycle has coused microstructural chang ...

(1) A chemical substance or mixture, usually liquid, containing ions that migrate in an electric field. (2) A chemical compound or mixture of compounds which when molten or in solution will conduct an electric current.3.A nonmetallic (liquid or solid) con ...

Electrodepositing a metal or alloy in an adherent form on an object serving as a cathode.

A clock-driven instrument mounting which automatically and continuously points in the direction of the sun. It is used with a pyrheliometera,hen continuous direct solar radiation measurements are required.

Performing a chromate treatment

The difference between the actual electrode potential when appreciable electrolysis begins and the reversible electrode potential.

A drag-type wind machine that can react to wind from any direction.

Maximum allowable working pressure. This data is found on the pressure vessel nameplate and is the maximum pressure at which the lowest set safety valve must be set (stamped).

Holes cut in a plate to make it lighter and yet not reduce its strength.

Radio Direction Finder

A plastic card enabling the holder to access an automated teller machine to obtain cash and.

A facility or piece of equipment that produces electricity.

Credit cards branded with the name of a charity or trade union. Often give a small donation to the.

Anti-clockwise circular motion. Left-handed ropes are coiled down in this way.

A thermometer consisting of a clock mechanism the speed of which is a function of temperature.

AMMONIA (Anhydrous). Gas usually carried by LPG tankers at about -50 deg.c. Lighter than air, it is easily escaping from any openning and be highly dangerous to inhale in great uantity. Reacting violently with water. All degrees centigrade: Boiling point: ...

Long Water

Having a shape that that is not adversely affected by wind flowing past it.

See inhibitor

A type of insulation material with fine, closed cells, containing a mixture of air and refrigerant gas. This insulation has a high R-value, good moisture resistance, and high structural strength compared to other rigid insulation materials.