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凡在寒冷季节从事室外或室内无采暖或有冷源设备的低温条件下作业均属低温作业。低温作业主要劳动卫生问题是寒冷的影响。寒冷除能引起某些生理反应外(如冷感、皮肤温度降低,末稍血管收缩,寒颤……等)并能影响劳动能力和工作效率,严重时可造成冷损伤或诱发、加重某些病症(如哮喘、缺血性心脏病、脑卒中等)。在户外作业的异常事故中还有发生冻僵和冻死的可能。
Where in the cold season in outdoor or indoor without heating or cold source equipment under low temperature conditions are low-temperature operation. The main labor and health problems in cold work are the effects of cold. In addition to some cold can cause some physiological reactions (such as cold, skin temperature decreased, distal vasoconstriction, shivering, etc.) and can affect the ability to work and work efficiency, severe may cause cold damage or induced, aggravating certain diseases (Such as asthma, ischemic heart disease, stroke, etc.). In outdoor accidents there are freezing and freezing death may occur.