铸造,通称翻砂,工人整天要与铁水、黑砂打交道。这个行业(整个热加工行业也基本如此):一是脏,尘大,肮脏;二是累,弯腰操作多,体力消耗大;三是热,炉前和开箱温度经常高达五、六十度以上;四是重,机械化程度低,操作要靠大锤和风枪。铸造行业工人职业病多,轻则腰痠背痛,重则得 Foundry, commonly known as sanding, workers all day dealing with hot metal, black sand. This industry (the entire thermal processing industry is basically the same): First, dirty, dusty, dirty; Second, tired, bending and more operations, physical exertion; Third, heat, furnace and unpacking temperatures often up to five, six Ten degrees or more; four are heavy, low degree of mechanization, operations rely on sledgehammer and air gun. Workers in the foundry industry have many occupational diseases, ranging from back pain to back pain.