undr - VAR
- unitize
- unitized
- unitized construction
- unitized design
- unitized dimensions of a container
- unitless
- unitless parameter
- unitunnel diode
- univariate
- universal
- universal adapter
- universal algorithm
- universal attachment
- universal bellows seal
- universal bevel protractor
- universal boring and thread milling tool
- universal boring head
- universal boring machine
- universal chuck
- universal circular grinder
- universal code
- universal compensator
- universal computer
- universal coupling
- universal cutter and tool grinding machine
- universal cutter head
- universal decimal classification
- universal die sinker
- universal dividing head
- universal drive assembly
- universal excavator
- universal external characteristic
- universal face plate
- universal fixturing
- universal function
- universal hand pole
- universal hand stick
- universal hardness tester
- universal head milling machine
- universal horizontal mill
