根据二号宿舍楼和办公楼的建筑面积，钢筋工不少于50人，一号宿舍楼钢筋工不少于20人。

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　　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。

• 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).

　　第五个就是专业化的问题。