Kedu ọgwụgwọ elu maka ịdọrọ rivets?

1.Zinc plating: a na-enweta mkpuchi zinc site na ngwọta ntụpọ;

2.Baking paint: Baking paint bụ akwa akwa akwa nke a na-etinye n'elu anụ ahụ site na nkà na ụzụ na-agbapụta ọkụ. The agba agba nke rivets kpuru ìsì nwere ike ịbụ ma ọ bụ na kaadị RAI agba ma ọ bụ nye ya dị ka achọrọ.

3.Anodizing: anodizing bụ usoro nke anodizing metal site n'itinye ya na electrolyte dị ka anode ma na-akpụ ihe nkiri oxidation na metal surface.Anodized film nwere ike adsorption dị elu, nwere ike ịbụ ọgwụgwọ agba, agba agba ya dị nnọọ mma. karịa agba agba;