Fast Rescue Boat

Pointed iron implement used in separating the strands of rope in splicing, marling, etc.

Net Tons

The minimum temperature at which combustion of a solid or fluid can occur.

An apparatus, used in studying soil temperatures, for measuring the total supply of heat during a given period.

See: 'endowment.

Those causes of loss for which the carrier is not legally liable. The elemental risks of ocean transport.

Tank

A method of lowering the sail in sections so that it can be reefed quickly.

A pole used to assist in raising a tower.

A solar water or space-heating system in which solar energy is collected, and/or moved by natural convection without using pumps or fans. Passive systems are typically integral collector/storage (ICS; or batch collectors) or thermosyphon systems. The majo ...

A compressor belonging to the group of displacement reciprocating compressors.

That portion of the atmosphere which is above the lower troposphere. Generally applied to levels above 850 mb.

An instrument for measuring the difference of the solar radiation falling on both sides of a horizontal surface from the whole hemisphere.

(1) To bind a line with marline, cord, twine, wire, or other "small stuff" to prevent accidental opening or unraveling (2) To freeze up, as a valve.

To make life onboard for the crew as uncomfortable as possible, by keeping them at work at all hours, often unnecessarily.

An order to stop; as, "Avast heaving!"

To repeat an order for information to the crew.

An income tax allowance which can be claimed if certain payments are being made to friendly.

A special coding used by employers when an employee's tax code is unknown. Individuals allocated.