At the start of the 1930s the Soviet Union was the worlds largest aircraft producer by far. And as war clouds gathered during the late 1930s, the countrys production grew rapidly: Soviet production quadrupled from 2,529 in 1935 to 10,382 in 1939.
Gym Machines & Equipment. Most gyms have machines or equipment that will target the abdominals specifically. The seated abdominal crunch and captain's chair are two such machines that tone the rectus abdominis and lower abs respectively. Ask a fitness trainer to show you how to properly use machines to avoid improper technique and injury risk.
There are basically two types of equipment that you will find in the gym - free weights and machines. Free Weights. Free weights are the most basic form of bodybuilding equipment. The reason they are called free weights is because there are no attached pulleys, cables, pins, or weight stacks.