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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　　1、钢筋工劳力不足，影响了办公楼的施工进度；

• 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).

　　⑶每日对订单、发货通知单及时落实、跟踪、核对，确保服务到位