small switches are being placed onto a machine while a man describes the activity
someone is placing parts into a switch while they are going by on a machine
an old video discussing the advancements brought about by the ferret switch
an automatic machine making switch contacts
a man fixing nut on the machine
small part is put in the machine
the person places the parts in to the machine
a man operates a machine in an assembly line
a man is doing a experiment in the lab
a man places small electronic parts into a machine then another person inspects small electronic parts
a person places a small pin size bulb in a holder and another person checks for any defective
a worker in a factory is placing fuses into a machine and then analyzing parts using a magnifying glass
some one is assembling a electronic parts in many electronic items
man is doing some tricks with his new machine
a man inside laboratory pluging pins into machine  displaying on screen
the parts of precision instruments require inspection by microscope
people are working with needles in an assembly line and are inspecting and distributing them accordingly
a woman does complicated maneuvers on a machine
a man is putting some metal things in to a machine
a person is putting some things together