Arboriculture Terms

capable of being broken down by natural. organic processes and reabsorbed into the environment.

device. often relying on balls or rollers. to reduce friction between mechanical parts such as a wheel or a pulley sheave and an axle or a shaft and case connecting rod. (contrast with bushing).

an auxiliary attachment point on a block or ~ l pulley. usually 180 degrees from the main attachment. that is used to reeve the rigging line in a set of -~ blocks.