Air Conditioning and Refrigeration - Teach yourself how to
troubleshoot and repair air conditioning equipment. Instruction is
step-by-step, and computer literacy is not required.
How
To Calculate A Sling Load
Take the guess work out of how
much force is exerted on a sling when making a lift with two or more lifting
straps. Here is an easy way to figure out if it will be a safe
lift.
Practical Electricity for Non-Electricians - This CD-ROM
sets a new standard for electrical training. It begins with
fundamentals and test meters with progression to motors and control
circuits.
