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.
It is not a substitute for any of the provisions of the Occupational Safety and ï¬ Health Act of 1970, or for any standards issued by the U.S. ï¬ Department of Laborâs Occupational Safety andHealth Administration (OSHA). Aerial and Scissor Lift Safety.electing The Right Lift When selecting a lift there are some important issues that must be considered. The type of work being performed, The terrain in which the lift will be utilized, and The number of employees and equipment needed. There are two main inspections that must be done when using an aerial lift device.