ballast engine — noun : a steam engine used in excavating and for digging and raising stones and gravel for ballast … Useful english dictionary
Ballast — Bal last (b[a^]l last), n. [D. ballast; akin to Dan. baglast, ballast, OSw. barlast, Sw. ballast. The first part is perh. the same word as E. bare, adj.; the second is last a burden, and hence the meaning a bare, or mere, load. See {Bare}, a.,… … The Collaborative International Dictionary of English
Ballast tamper — A ballast tamper or tamping machine is a machine used to pack (or tamp) the track ballast under railway tracks to make the tracks more durable. Prior to the introduction of mechanical tampers, this task was done by manual labour with the help of… … Wikipedia
Ballast tractor — A ballast tractor is a heavy haulage road vehicle designed to pull or push heavy or exceptional loads. Unlike the tractor unit from an articulated trailer, the ballast tractor is designed or adapted to pull or push loads from a drawbar. By… … Wikipedia
Ship in ballast — Ballast Bal last (b[a^]l last), n. [D. ballast; akin to Dan. baglast, ballast, OSw. barlast, Sw. ballast. The first part is perh. the same word as E. bare, adj.; the second is last a burden, and hence the meaning a bare, or mere, load. See {Bare} … The Collaborative International Dictionary of English
Engine room — In a ship, an engine room is where the main engine(s), generators, compressors, pumps, fuel/lubrication oil purifiers and other major machinery are located. It is sometimes referred to as the machinery space . Engine Rooms are typically towards… … Wikipedia
Engine-generator — An engine generator is the combination of an electrical generator and an engine (prime mover) mounted together to form a single piece of equipment. This combination is also called an engine generator set or a gen set . In many contexts, the… … Wikipedia
Electrical ballast — Choke ballast (inductor) used in older lighting. This example is from a tanning bed. Requires a lamp starter (below) and capacitor … Wikipedia
Thomas the Tank Engine and Friends annuals — About the Annuals=After the Railway Series was published, many Thomas Annuals were printed and sold. They are still being made in print to this day. The Annuals have contained many activities, stories, and information about Thomas and his friends … Wikipedia
Internal combustion engine — The internal combustion engine is an engine in which the combustion of a fuel (normally a fossil fuel) occurs with an oxidizer (usually air) in a combustion chamber. In an internal combustion engine, the expansion of the high temperature and high … Wikipedia
