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.
Photo Courtesy: mikemahler.com. Windmills is an excellent exercise for the shoulder mobility, back & hamstring stretching and trains your core {or abs} how to remain tight in core lifts like overhead presses. Windmills Exercises can be done with bodyweight and with kettlebells as high or overhead, low and doubles.