unit - vari
- vacuum leakproofness
- vacuum loading
- vacuum manipulator
- vacuum melting
- vacuum monochromator
- vacuum oil
- vacuum pan
- vacuum partial condenser
- vacuum phototube
- vacuum production
- vacuum pump
- vacuum pump oil
- vacuum seal
- vacuum snap-back thermoforming
- vacuum space
- vacuum spectrograph
- vacuum still
- vacuum switch
- vacuum tar
- vacuum technique
- vacuum technology
- vacuum tester
- vacuum thermoforming
- vacuum topping
- vacuum tower
- vacuum trap
- vacuum tray drier
- vacuum tube
- vacuum tube modulator
- vacuum tube oscillator
- vacuum tube rectifier
- vacuum tube voltmeter
- vacuum UV laser
- vacuum valve
- vacuum-deposited film
- vacuum-deposited layer
- vacuum-evaporated layer
- vacuum-sealed
- vacuum-tight
- vacuum-tube
