我厂生产水银开关,每年用汞一吨以上,在生产过程中产生含汞废气、废水、废渣,严重影响工人健康。我们遵照毛主席关于保护职工安全、健康的指不,本着自力更生、艰苦奋斗的精神,于一九七三年六月;建成了巷道通风防汞车间,正式投入生产。四年来,车间空气中的带汞浓度和废气、废水 I plant mercury switch, with more than one ton of mercury per year, mercury in the production process produces waste gas, waste water, waste, seriously affecting the health of workers. In accordance with Chairman Mao’s principle of protecting workers’ safety and health, in accordance with the spirit of self-reliance and hard work, we completed the tunnel ventilation and anti-mercury workshop and officially put into production in June 1973. In the past four years, there was mercury concentration in the air in the workshop and exhaust gas and wastewater