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.
â¢ Elevated work platforms come in various configurations, such as boom lifts which can maneuver the work platform beyond the base of the vehicle, as. well as the commonly used scissor-type lifts, which k eep the work platform over the base of the vehicle.