9 electrical connectors having metal coatings; metal components of electrical batteries with metal coatings, namely, cathode holders, pin caps, end caps, anode buttons, terminals, spacers, cams, cans and washers; and, components of electrical devices with metal coatings, namely, springs, hubs for disks, crystal covers semi-conductor packages, radiofrequency shields, semi-conductor leads, sockets and inserts for PC boards