The Foil Electroscope is an scientific instrument that is used to detect the presence and magnitude of electric charge on a body. For recognition and understanding of electric charge in physics class.Teaching Equipment for students and kids.
Most aggressive, it is the first step in finishing distressed metals. Used for coarse buffing to remove scratches, rust, corrosion or to de-burr stainless steel and other hard metals.
Bushing metal bearing are used where the bearing is working without lubricant or with marginal lubricant during operation.They are designed from either cast iron or bronze-based metal to withstand high load.
Modern Outdoor Park Equipment often have recreational equipment such as the seesaw,merry-go-round,swingset,slide,jungle gym, chin-up bars,sandbox,spring rider,trapeze rings,playhouses, and mazes, many of which help children develop physical coordination,