4、塔吊修理时，必须让修理人员佩戴安全带，以防发生意外。

• Keep it short and easy to remember.
• Use keywords related to your blog's topic.
• Avoid using hyphens or numbers.
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　　2、对所有现场危险源和特种设备操作的地方要设安全警示标牌和操作规程图牌；

• 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).

　　3、各工地下脚料、钉子等物品要及时清理，严禁乱扔、乱放，以防发生意外，另外下脚料能用的尽量用上，严禁浪费，各工地负责人加强工地现场管理。