The coaster went down the valley, turned around and went up a chain hoist to the opposite side of the valley.
12.
Therefore, a high-performance chain hoist may be of significantly smaller physical size than a wire rope hoist rated at the same working load.
13.
Common small portable hoists are of two main types, the " chain hoist " or " chain block " and the wire rope or cable type.
14.
At intermission the crew prepares for the top of Act II, flying all the scenery from Act I up on the chain hoists, bringing down the Bangkok units.
15.
The building lobby, destined to vaunt lush blue carpeting picked out in gold stars, is now a realm of scaffolding and yellow caution tape; chain hoists are clanking.
16.
The unloaded wire rope of small hand-powered hoists often exhibits a snarled " set ", making the use of a chain hoist in this application less frustrating, but heavier.
17.
The main speakers may be'flown'from the ceiling of a venue on chain hoists, and'flying points'( i . e ., attachment points ) are built into many professional loudspeaker enclosures.
18.
Temporary high-power distribution wiring often employs camlock connectors to connect dimming equipment, power distribution units, controllers for motorized chain hoists, and other high-power equipment to a company switch, generator, or other tie-in point.
19.
Both the wire rope hoist and chain hoist have been in common use since the 1800s, however mass production of an electric hoist did not start until the early 1900s and was first adapted by Germany.
20.
"Chain hoists ", more commonly referred to as " chain motors ", are the most common form of point hoist, especially with touring musical shows ( e . g ., rock-and-roll shows ), but are relatively slow.
