refusal - restrictor
- refusal
- refuse
- refuse bag
- refuse chute
- refuse collecting chamber
- refuse collection
- refuse collector
- refuse composting
- refuse derived fuel
- refuse disposal
- refuse disposal works
- refuse dressing plant
- refuse duct
- refuse grinder
- refuse incineration
- refuse incineration plant
- refuse incineration works
- refuse incinerator
- refuse processing plant
- refuse sack
- refuse tip
- refuse transfer station
- refuse wood
- refuse-collecting truck
- regain
- regaining
- regaining of workability
- regenerated water
- regenerative air cycle system
- regenerative air filter
- regenerative air heater
- regenerative cooling
- regenerative heat exchanger
- regenerative heating
- regenerator
- regime
- regimen
- region
- region of imperfections
- region of stress concentration