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In choosing materials of construction, we have to compromise between various factors. Use the acronym SHAMROCK to summarize and remember some of them. S = Safety: what are the consequences of failure? If they are serious, a more resistant material …

سال 1380 عضو یک گروه کوهنوردی شدم و آخر هفتهها در برنامههایشان شرکت میکردم… دربند، گلابدره، درکه، کلکچال، پیاز چال، …
Pressure vessel design is not in my scope of work, but I have often had the need to know its components. I think this is a necessity for many other engineers with various specialties. Below pages reference: Pressure Vessel Design …