Arboriculture Terms

1) heavy-duty pulley used in rigging. designed for dynamic loading. 2) casing enclosing one or more parallel pulleys.

system of two or more pulleys with a rope or cable threaded between them. usually used to lift or pull heavy loads.

1) method of using an arborist block to rig down trunk sections (contra t with butt-hitching). 2) l in some countries. to remove a trunk by cutting and dropping small pieces at a time.