shie - sing
- shield
- shield assembly vehicle
- shield bulkhead
- shield chamber
- shield delays
- shield drivage
- shield face
- shield height
- shield launch
- shield leg
- shield method
- shield mining
- shield mining method
- shield mining system
- shield mover
- shield operator
- shield roof support
- shield sediments
- shield support
- shield support capacity
- shield type powered support
- shield withdrawal
- shield-driven
- shield-shaped
- shield-type powered support
- shielded
- shielded cable
- shielded mining machine
- shielded tunneling machine
- shielded-electrode logging
- shielding
- shift
- shift attendant
- shift capacity
- shift changes
- shift duration
- shift electrician
- shift foreman
- shift labour
- shift single-job crew
