You'll find ruggedly designed manual cappers with pneumatic operation that require minimal training, allowing new employees to get up-to-speed quickly. These hand-operated units can be either held or hung. There are semi-automatic capper machines for either metal or plastic caps. The metal cap machine can be used on various kinds of bottles, including glass, PE, PET and PP. This equipment can be used in a variety of industries and they require very little training to operate. They feature metal construction and are designed to be extremely durable.