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.
The Scissor Truss-A scissor truss eliminates vertical and horizontal elements. It creates a more spacious feeling, because there's no horizontal element defining a lower virtual ceiling line. Inspiration for a contemporary great room.he Scissor Truss-A scissor truss eliminates vertical and horizontal elements. It creates a more spacious feeling, because there's no horizontal element defining a lower virtual ceiling line. Inspiration for a contemporary great room.