rigging technique in which a second load line is used, and some or all of the weight of the branch or wood section is transferred from the initial load line to the second.

soil texture classification based on a certain ratio of sand, silt, and clay. Considered ideal for plant growth.

leaf segments that project outward, creating voids (sinuses) between the segments. Contrast with sinus.

pertaining to carabiners and snaps, requiring at least one distinct motion to prepare the gate to open (to unlock but not to actually open).

snap that is self-closing and requires one motion to unlock and a separate motion to open the gate. Used by tree climbers primarily for connecting the climbing line to the saddle.

bight that crosses itself or a bight made fast with a knot.

any of numerous knots that can be used to form a loop in a line.

specific type of sling made up as an adjustable loop.

(1) overhead or underground electric supply lines up to 750 volts [the threshold cited in Z133.1 that requires 10-foot (3.05 meter) separation without specialized training, etc.], typically 120 to 480 volts, used to deliver electricity to end users. (2) electrical power lines used in landscape lighting, with operating voltages between 12 and 24 volts.

brand name of a piece of equipment that is attached to the tree base or other anchor in rigging. Used to take wraps with the load lines to provide friction for controlled lowering of sections of a tree.

see load line.