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.
• Make sure it's available (you can use a domain registrar's search tool to check).

　　三、材料。各工地缺的材料，工地负责人要尽早上报公司，禁止各工地承包方直接向公司要材料，必须经工地负责人和材料保管员签字后方可进材料。另外各工地尽量相互调整使用材料

• 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).

　　第七个，讲成败在于细节