خواندن بعدی
Before the spread of the Internet, everyone dealt with letters and stamps. One of the pastimes of that time was to separate the stamp from the envelope and keep it. I also had a stamp album when I was a …
A materials forest with some beautiful trees like plastic tree, SS tree, nickel tree, coal tree and so on. Please …
سه سال پیش مورد لطف دوستی ارجمند قرار گرفتم و ایشان کتابی را که از خاطرات پدر بزرگوارشان به رشتهی …
MATERIALS SELECTION can be defined as follows: Process of selecting optimum candidate materials which meets the application requirements at the minimum cost. The optimum materials are generally have the lowest cost/life ratio. Cost of materials is very important consideration for …
