Lumberjack it usually refers to a logger from an earlier time before the advent of chainsaws, feller-bunchers and other modern logging equipment. Other terms for the occupation include woodcutter, shanty boy and the colloquial term woodhick (Pennsylvania, US). A logger employed in driving logs down a river was known locally in northern North America as a river pig, catty-man, river hog, or river rat. The term lumberjill has been known for a woman who does this work; for example, in Britain during World War II. In Australia, the occupation is referred to as timber cutter or cool cutters. Lumberjacks worked in
Technology during World War II the conduct of World War II than in any other war in history, and had a critical role in its final outcome. Many types of technology were customized for military use, and major developments occurred across several fields including: World War II was the first war where military operations widely targeted the research efforts of the enemy. This included the exfiltration of Niels Bohr from German-occupied Denmark to Britain in 1943; the sabotage of Norwegian heavy water production; and the bombing of Peenemunde. Military operations were also conducted to obtain intelligence on the enemy's technology; for example, the Bruneval Raid