wish - ZR
- zero-point return operation
- zero-point setting
- zero-resetting device
- zero-return function
- zero-rpm
- zero-rpm center
- zero-set function
- zero-setting device
- zeroing
- zeroing operation
- zig-zag pocketing
- zinc
- zinc alloy
- zinc-aluminum alloy
- zinc-base alloy
- zinc-bearing alloy
- zinc-copper alloy
- Zipf's law
- zirconia alumina
- zirconium alloy of iron
