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Auxiliary seals include dynamic and static ring seals, which are mostly made as O-rings, V-rings, rectangular rings, wedge rings or trapezoidal rings.Their main functions are: to prevent leakage be...

Business

started by kbojezhang44 on 02 Apr 20 no follow-up yet

Good personal hygiene habits, especially hand washing habits, can become a firewall for many diseases. Except when we knew that we had to wash our hands before and after meals, what other times are...

Business

started by kbojezhang44 on 08 May 20 no follow-up yet

image

started by waquas on 21 May 19 no follow-up yet