(1） Primo procedus clampionis metallorum nominis platearum reliquus est ad usum pressorum et molarum ut exercerent fortes exteriores ad plateas, stripes, pipes et profiles, ut faciant eos deformationem plasticam aut separationem, ut possident voluntatem figuram et granditudinem opus (partis clampis) per faciem processionis

(2） Stamping and forging belong to plastic processing (also known as pressure processing), collectively referred to as forging. The raw materials for stamping are mainly hot-rolled and cold-rolled steel plates and strips. 60-70% of the world's steel is sheet metal, most of which are made into finished products through stamping

(3） The body, chassis, fuel tank, radiator fins of automobiles, steam drums of boilers, shells of containers, iron cores and silicon steel sheets of motors and electrical appliances are all stamped. There are also a large number of stamped parts in products such as instruments, household appliances, bicycles, office machinery, and household utensils.