siev - skin
- single-V weld
- singles
- singlet interaction
- singlet term
- singly ionized atom
- singly operated drive
- sink
- sink drawing
- sink float process
- sink hole
- sink screen
- sink-and-float process
- sink-and-float test
- sink-float cone
- sinkhead
- sinkhole
- sinking
- sinking mill
- sinking pass
- sinking strain
- sinking-sizing mill
- sinter
- sinter (conveyor) system
- sinter breaker
- sinter burden
- sinter cake
- sinter conveyor
- sinter conveyor gallery
- sinter conveyor line
- sinter cooler
- sinter exhauster
- sinter feed
- sinter fines
- sinter in furnace burden
- sinter loading bin
- sinter machine
- sinter machine of continuous operation
- sinter make
- sinter mixer
- sinter pot