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.
TITLE: 2480 SAFE OPERATION OF SCISSOR & BOOM LIFTS. LENGTH: 19 MINUTES PRODUCTION YEAR: 2006. PROGRAM SYNOPSIS: Elevated work platforms such as scissor and boom lifts allow us to safely perform various tasks and maintenance operations at heights that otherwise may be. unreachable. While there are many different styles of lifts designed for various applications and site conditions, they all have one thing in common: the.