multi-sheave block
1Fly system — Fly loft of the Theater Bielefeld in Germany A fly system, flying system or theatrical rigging system, is a system of lines (e.g. ropes), blocks (pulleys), counterweights and related devices within a theatre that enable a stage crew to quickly,… …
2Belt (mechanical) — For other belts, see Belt (disambiguation). A pair of vee belts …
3One Canada Square — A view of One Canada Square, the second tallest building in the United Kingdom. Record height Tallest in the United …