fence: pole and padlock with chain to a fence with electro-welded metal grid in stainless steel.

architecture bonus boundary building chain close closure construction detail door electrowelded entrance factory fence galvanizing gate grat grating gray grid grill handle hardened increases industry iron key line lines lock made material metal modern old opening padlock panel partition pole post prefabricated premises protection rectangles resistant rust rusty safe safety security solid stainless steel structure urban wall which