... control switches, thermostats, baking machines, oven, timers, thermal relays, and computers.AgCu rivet: This contact has good electrical ... AC contactors, relays, electric tool switches, buttons, timers, and other household electrical appliances.AgNi /Cu bimetal rivet: ... relays, auxiliary switch series, timers, starters, breakers and leakage protective switches. AgZnO rivet and AgZnO/Cu bimetal rivet: ...