dip - doub
- dip
- dip angle
- dip face
- dip line
- dip needle
- dip of seam
- dip or loss of power
- dip stick
- dip test
- dip-working panel
- dipper bail
- dipper capacity
- dipper door
- dipper scoop
- dipper sheave block
- dipper teeth
- dipping needle
- direct
- direct access to the surface
- direct analogy simulation
- direct axis
- direct cable entry gland
- direct current
- direct drive
- direct dumping method
- direct labour
- direct on-line switching
- direct overcasting system
- direct ratio
- direct stress
- direct torque control
- direct voltage
- direct wages
- direct-acting
- direct-acting drive
- direct-current amplifier
- direct-current balancer
- direct-current circuit
- direct-current coil
- direct-current system
