(1) Substance, consisting of such resinous materials as ether, shellac, gum, and alkyd resins dissolved in alcohol or other solvent, which will evaporate rapidly when, applied, leaving a tough, adherent film with a hard, smooth coating on such items as wood furniture. (2) Resinous varnish.
Ladder
Framework which consists of two parallel side pieces which are connected by a series of rungs or crosspiece which are used for climbing up and down.
Ladder bar
Reinforcement for a masonry joint, which is in the shape of a ladder, with its parallel and cross wires.
Ladder fuels
Fuels that provide vertical continuity allowing fire to carry from surface fuels into the crowns of trees or shrubs with relative ease.
Ladder tray
Cable support similar in shape to a ladder, with side rails connected by periodic crosspieces.
Ladder, extension
Ladder, fixed
A ladder which is permanently attached to a building.
Lag bolt or screw
Wood fastener, which has a square or hexagonal shaped head with a pointed, threaded shank, resembling a thick wood screw.
Lag bolts, 1/4-inch
Lag-screws or coach-screws
Large, heavy screws, used where great strength is required, as in heavy framing or when attaching ironwork to wood.
