
ریاضیات خوشبختی / اسکات گالووی / فرخ بافنده / انتشارات بذر خرد / 172 صفحه چه شغلي بايد انتخاب كنم؟ …
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 …
The white book of steel is an informative and entertaining look at steel’s enormous impact on the history of mankind, and the role that it is set to play in helping to shape the future of humanity. Tracing steel’s development from …