air - anti
- angle bead
- angle beam
- angle block
- angle bond
- angle bracket
- angle bulldozer
- angle capital
- angle cathode
- angle cleat
- angle clip
- angle cock
- angle cock body
- angle cock bracket
- angle cock handle
- angle cock holder
- angle cock key
- angle compressor
- angle coupling
- angle crane
- angle cursor
- angle diagram
- angle diversity
- angle drive
- angle encoder
- angle error demodulator
- angle finder
- angle fishplate
- angle float
- angle joint
- angle lap
- angle lap staining method
- angle lever
- angle measurement
- angle meter
- angle modulation
- angle noise
- angle null
- angle of action
- angle of advance
- angle of approach