- rivet dolly
- rivet joint
- reticular system
- retimbering
- retreat mining
- retrieval
- retrieve
- returfing
- Return bend
- return flow
- return riser
- return tapping
- return value
- return wall
- returned breakage
- reusability saggers
- reusable caisson
- reusable design
- reusable scaffold
- revalue
- reveal
- revegetation
- reverberant sound
- reverberated field
- reverberation room
- reversal
- reversal load
- reversed bending
- reversible cycle
- reversing mechanism
- revert
- revetment wall
- review information
- revolved section
- revolving distributor
- revolving fund
- revolving sprinkler
- rewriting device
- rheostatic braking
- rib spacing
- ribbed
- ribbed dome
- ribbed panel
- ribbed slab
- ribbed span
- ribbon
- ribbon glazing
- ribless roof
- rice silo
- rich mortar
- rider arch
- ridge cap
- ridge line
- residual moisture
- resilience
- resilient flooring
- resilient mounting
- resin adhesive
- resin impregnation
- resin-bonded
- resistance coefficient
- resistible
- resisting moment
- resize
- resonate
- resonator
- resort hotel
- resources allotment
- rest bar
- rest house
- restaurant
- restoration map
- restoration shop
- restoring moment
- restraining
- restricted area
- resultant amplitude
- retail
- retained moisture
- retaining wing
- retarded filter
- retarded setting
- retarding basin
- retesting
- reticulated glass
- reticulated shell
- reticulation
- retort
- retouch
- retouching
- retrace
- retransmitting tower
- retrieval system
- retrogressive sliding
- retrospective information
- retrospectivity
- retry
- return
- return circuit
- return nosing