COB is Chips on Board, It is a technology to solve the problem of LED heat dissipation. Compare with SMD, it characterized by saving space, simplifying packaging operations, also has an efficient thermal management way.
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,