3、对工地的电工、电焊、架子工及特种设备作业人员要持证上岗；

• Keep it short and easy to remember.
• Use keywords related to your blog's topic.
• Avoid using hyphens or numbers.
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　　西安恒泰建筑节能科技有限公司把优质服务视为企业的生命，在现浇轻质发泡泡沫混凝土领域，涵盖现浇泡沫混凝土找*、找坡、填充、保温等，为使广大用户享受完整的配套服务。

• Keep it short and easy to remember.
• Use keywords related to your blog's topic.
• Avoid using hyphens or numbers.
• Make sure it's available (you can use a domain registrar's search tool to check).

• Keep it short and easy to remember.
• Use keywords related to your blog's topic.
• Avoid using hyphens or numbers.
• Make sure it's available (you can use a domain registrar's search tool to check).

　　1、工地临时用电要规范，不能随地要**；