demolition permit - dilution ventilation
- derailment load
- derange
- derelict
- derelict house
- derelict land
- derivation
- derivation conduit
- derivation of formula
- derivation of ground waters
- derivation of the flexure formula
- derivation tunnel
- derivative
- derivative control
- derive
- derived module
- derivetting
- dermal exposure
- derrick
- derrick barge
- derrick boat
- derrick bullwheel
- derrick car
- derrick crane
- derrick crane king post
- derrick crane mast
- derrick leg pedestal
- derrick mast
- derrick platform
- derrick pole
- derrick superstructure
- derrick tower
- derricking
- derricking jib
- derricking motion
- derricking rope
- derricking ties
- derrickman
- deruster
- desalination
- desalination installation