Select different surface preparation and paint systems, make use of simple and convenient site test method tor the sake ot sitting out proper painting, complement and application process for steel structure of refrigerator.

This paper presents a number of experimental and theoretical investigations into the structural behaviour of coldformed steel structures with bolted connections.

Cold-formed steel structures are steel structural products that are made by bending flat sheets of steel at ambient temperature into shapes which will support more than the flat sheets themselves.