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目前许多晒图纸使用的熏图设备没有通风,或者采用通风效率差的氨气熏图筒,氨气逸漏到作业区,超过了国家规定的标准(30毫米/米~3),严重地影响了工人身体健康,污染了环境。
At present, many smoke map equipments used in the printing of blueprints are not ventilated, or the drawings are poor in the efficiency of the use of ammonia. The ammonia gas escapes to the work area and exceeds the national standard (30 mm/m3). The workers are in good health and pollute the environment.