The lowest or basic strength of aluminum and each of its alloys is determined when the metal is in the annealed or soft condition. This is designated as the O (letter O) temper. For example, the annealed condition for alloy 1145 is written 1145-O.
What is a scissor lift? A scissor lift is a type of aerial work platform used to lift personnel. These platforms extend and retract vertically with the help of the scissor linkages that fold in a crisscross manner. Scissor lifts are typically electrically powered although there are some that are powered by internal combustion engines.
Weightlifting. 1  an underhand forearm lift in which the barbell, held against the thighs, is raised to the chest and then lowered while keeping the legs, upper arms, and shoulders taut. 2  a similar forearm lift using a dumbbell or dumbbells, usually from the side of the body to the shoulders.