Difference between WPS and PQR
WPS and PQR are mandatory documents when welding needs to comply with a standard. Both documents are closely related but quite different. The PQR is a standard document, but users ...
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How to spit?
We are taught not to spit everywhere, but who has received the education on how to spit correctly? This is really a question worth thinking about, involving the spread of disease a...
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Introduction to American Building Code System
A) 规范（Model Code） 规范
B) 标准（Consensus Standard） 研究所、材料商标准
C) 源文档（Resource Document） 规范条文说明
建筑专业规范
总则
International Building Code
住宅规范
International Residential Code
防火规...
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Arabic manual used on construction site 工地常用阿拉伯语手册 Arabic
This article was also posted on Tianya BBS on June 28, 2011 by 诗山青年（Shishan youth）.
这是一篇快速学习阿语会话的文章。
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技术澄清流程 RFI Process
技术澄清.doc
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