Tiny Cooling Fan takes you recall the exciting past

Appliance "Tiny Cooling Fan" fan, blowpipe and bladder, the first for the forced draft fan and a blowpipe. Ancient Egyptian pottery goldsmith had used the blowpipe with air nozzles, Incas sometimes 8 to 12 brass while blowing. Later, the invention of skins produced by the blast bladder, cystic duct and divided at both ends by the operator manual air inlet. This "dota雷竞技 " shabby blower for use in modern times still some areas. Eighteenth dynasty of Egypt Luck Mill (Rekhmir, about 1450 BC) tomb murals have been painted with tank-like foot blower images. "dota雷竞技 " into the wind when the operator with a rope hauled bladder, and then depresses the air blown into the furnace, each furnace is equipped with a four-blower, the two opposite operations.