An electrochemical battery that uses lead and lead oxide for electrodes and sulfuric acid for the electrolyte.

Assault upon a seaman, by Master, while at sea.

A small local current usually caused by tidal streams as they ebb and flow around or against obstructions.

International Federation of Ship Masters Associations

A means of purifying an air stream by using both gravitational and centrifugal forces.

Small boat carried on the vessel and used in case of emergency.

Failure to make payment on a loan obligation on the due.

A fracture, usually of' polycrystalline metal, in which most of the grains have failed by cleavage, resulting in bright reflecting facets. It is associated with low-energy brittle fracture.

Energy supplied during periods of relatively high system demands as specified by the supplier.

Short for compressed natural gas or CNG. A type of compressed gas used as fuel for stoves and heaters. CNG is stored in metal cylinders prior to use. CNG is considered safer than other types of fuel such as propane LPG - because it is lighter than air and ...

A winch, frequently unpowered, having rope storage capacity and used for topping and lowering a derrick boom while the boom is unloaded and for supporting it while it is supporting a load.

A temperature-sensing element which converts thermal energy directly into electrical energy. In its basic form it consists of two dissimilar metallic conductors connected in a closed loop. Each junction forms a thermocouple. If one thermocouple is maintai ...

A vector term which includes both wind speed and wind direction.

Expenses incurred by a person whilst carrying out duties at work, which are 'approved' by the tax.

Localized corrosion frequently observed in oilwell tubing in which a circumfrential attack is observed near a region of metal "upset".

A gigantic sea animal.

The amount of BTU's/hour or kW's produced by a heating system from the burning of a fuel.

Change from a run to a reach

Is the property of a substance that gauges the potential or driving force for the flow of heat.

A room heat delivery (or exchanger) component of a hydronic (hot water or steam) heating system; hot water or steam is delivered to it by natural convection or by a pump from a boiler.