Wiper inserts usually are less costly to produce than square-back wiper dies, because multiple wiper inserts can be manufactured from a thick-wall tube, and because the shorter and smaller inserts require less material. In addition, changeover time is shorter with an insert than with a square-back wiper die. However, initial setup requires the purchase of the steel holder, and the inserts must be replaced and disposed of more often than the square-back wiper die.
Of the more than 58,100 Americans who died in Vietnam, 11,465 KIAs were less than 20 years old. The average age of all casualties was 23.11 years old.   According to â¦ the Department of Defense's Combat Casualty File, the average age of an Army infantryman serving in Vietnam was 22. None of the enlisted grades had an average age of less than 20.
How Many People Died in the Vietnam War. October 3rd, 2010 46 Comments. The Vietnam war was a conflict that was fought for 20 years, from November 1st, 1955 until April 30th, 1975, when Saigon finally fell.