Turbines or engines in which gas expands, does work, and undergoes a drop in temperature.

The rotating element of a machine and, in the case of a compressor, is composed of the impeller (impellers) and shaft, and may include shaft sleeves and a thrust balancing device.

is an ideal process that may be stopped and made to retrace its steps and restore to the systems or surroundings all work and heat previously removed. It is frictionless.

The forwardmost or front part of the vessel. Opposite of Stern

Any Boat Designed with a pointed bow and stern

Storing on land. Many small boats are placed in dry storage over the winter.

To sail too close to the wind so that the sails start to luff.

A dust-collection chamber containing numerous permeable fabric filters through which the exhaust gases pass. Finer particulates entrained in the exhaust gas stream are collected in the filters for subsequent treatment/disposal.

A closed rail freight car.

Abbreviation for "Container Freight Station." A shipping dock where cargo is loaded ("stuffed") into or unloaded ("stripped") from containers. Generally, this involves less than containerload shipments, although small shipments destined to same consignee ...

The soft sandstone block sailors use to scrub the deck, so-called, because seamen were on their knees to use it.

A Marine insurance term to refer to partial loss on an individual shipment from one of the perils insured against, regardless of the balance of the cargo. Particularaverage insurance can usually be obtained, but the loss must be in excess of a certain per ...

Long-range navigation system that uses radio signals transmitted at specific times. An onboard receiver computes position by measuring the difference in time of signal reception. This system is being phased out in favor of GPS.

The frames or timbers of a ship as they rise from the keel to form the shape of the hull.

Temporarily placed longitudinal bulkheads used to prevent bulk cargo from shifting.

The same as FOB named inland carrier, except the seller pays the freight charges of the inland carrier.

The air compressor continues to run and air supply is matched to the demand by partial unloading. This can be accomplished by a regulator controlled floating inlet or by step unloading.

Line attached to the bottom of the boom used to flatten the sail by pulling the boom down, and thus tightening the luff of the sail. (2) A line used for hauling down a jib or staysail.

A large body of water taken aboard (ship a sea).

A pneumatic percussive drill designed as a boring tool.