神马av_日韩第一页_免费精品一区_神马AV_神马久久久久久久久_日韩无码第一页_色哒哒_无码人妻熟妇av又粗又_国产69久久久欧美黑人A片_日韩欧美亚洲_无码第一页_神马午夜精品91_无码人妻熟妇av又粗,日韩免费人妻无码专区蜜桃,亚洲阿大香蕉,欧美亚洲男人天堂,国产无码精品一区二区,揉着我的奶从后面进去视频,免费全部黄A片免费播放软件,国产色中色,免费看的久久久久,天美传媒部在线观看,久久久久久亚洲综合,大香蕉日韩成人在线视频,久久无码潮喷A片无码高潮动漫,精品久久亚洲熟女,国产欧美精品aaaaa久久,直男国产飞机杯,我的公把我弄高潮了视频,免费的精品一区二区三区片,国产日韩欧美三级,亚州A级片,自拍偷拍亚洲porn,少妇水多A片太爽了,日本久操,成人午夜福利无码不卡视频,国产一区二区不卡亚洲涩情,日韩欧美亚洲综合久久,国产亚洲精品久久孕妇呦呦你懂,国产又粗又长又大精品A片,自偷自拍亚洲综合精品第一页,亚洲欧美熟妇久久久久久久久 ,香蕉视频操逼奶子

　　通風管道的安全措施

　　Safety measures for ventilation ducts

　　7.0.1對特殊工種的持證進行嚴格把關，實施前進行安全技術交底。

　　7.0.1 Strictly control the certification of special occupations and conduct safety technical disclosure before implementation.

　　7.0.2應檢查并確認電源、電壓符合要求，接地裝置安全可靠。

　　7.0.2 The power supply and voltage should be checked and confirmed to meet the requirements, and the grounding device should be safe and reliable.

　　7.0.3安裝的氬氣減壓閥、管接頭不得沾有油脂。安裝后，應進行試驗并確認無障礙和漏氣。

　　7.0.3 The installed argon pressure reducing valve and pipe joints must not be contaminated with grease. After installation, a test should be conducted to confirm that there are no obstacles or leaks.

　　7.0.4使用氬弧焊時，操作者應戴防毒面罩。更換鎢極時，必須切斷電源。磨削鎢極端頭時，操作人員必須戴手套和口罩，磨削下來的粉塵，應及時清除，鎢極不得隨身攜帶。

　　7.0.4 When using argon arc welding, the operator should wear a gas mask. When replacing the tungsten electrode, the power must be cut off. When grinding tungsten electrode tips, operators must wear gloves and masks. The dust generated during grinding should be promptly removed, and tungsten electrodes should not be carried with them.

　　7.0.5焊機作業附近不宜裝置有震動的其他機械設備，不得放置易燃、易爆物品。工作場所應有良好的通風措施。

　　7.0.5 Other mechanical equipment with vibration should not be installed near the welding machine operation, and flammable and explosive materials should not be placed. The workplace should have good ventilation measures.

　　7.0.6焊接操作及配合人員必須按規定穿戴勞動防護用品。

　　7.0.6 Welding operators and coordinating personnel must wear labor protection equipment according to regulations.

　　7.0.7現場使用的電焊機，應設有防雨、防潮、防曬的機棚并應裝設相應的消防器材。

　　7.0.7 The welding machine used on site should be equipped with a rain proof, moisture-proof, and sun proof shed and equipped with corresponding fire-fighting equipment.

　　7.0.8高空焊接或切割時，必須系好安全帶，焊接周圍和下方應采取防火措施，并應有專人監護。

　　7.0.8 When welding or cutting at high altitude, safety belts must be fastened, fire prevention measures should be taken around and below the welding area, and there should be a dedicated person to supervise.

　　7.0.9當清除焊縫焊渣時，應戴防護眼鏡，頭部應避開敲擊焊渣飛濺方向。

　　7.0.9 When removing weld slag, protective goggles should be worn and the head should avoid hitting the direction of slag splashing.

　　7.0.10雨天不得在露天施焊。在潮濕地帶作業時，操作人員應站在鋪有絕緣物品的地方，并應穿絕緣鞋。

　　Welding shall not be carried out outdoors on rainy days. When working in damp areas, operators should stand in areas covered with insulating materials and wear insulated shoes.

　　7.0.11作業后，應切斷電源，關閉水源和氣源。焊接人員必須及時脫去工作服、清洗手臉和外露的皮膚。

　　After 7.0.11 homework, the power should be cut off, and the water and gas sources should be turned off. Welding personnel must promptly remove their work clothes, clean their hands, face, and exposed skin.

　　本文由 山東通風管道  友情奉獻.更多有關的知識請點擊  http://www.jnhxtcg.com/   真誠的態度.為您提供為全面的服務.更多有關的知識我們將會陸續向大家奉獻.敬請期待.

　　This article is a friendly contribution from Shandong Ventilation Duct For more related knowledge, please click http://www.jnhxtcg.com/ Sincere attitude To provide you with comprehensive services We will gradually contribute more relevant knowledge to everyone Coming soon.