thickening - total porosity
- thread bottom
- thread of screw
- thread of stream
- thread packing
- thread-cutting die
- thread-cutting machine
- thread-stripping
- threadbare
- threaded
- threaded anchor
- threaded anchor socket
- threaded bolt
- threaded fastener
- threaded gas pipe joint
- threaded hole
- threaded insert
- threaded joint
- threaded pipe
- threaded sleeve
- threader
- threading die
- threat
- three component concrete
- three dimensional modeling
- three part line
- three term controller
- three-aisled
- three-angled
- three-apsed temple
- three-axle scraper
- three-axle tandem roller
- three-axle trailer
- three-bay
- three-bed room
- three-bedroom dwelling unit
- three-bedroomed dwelling unit
- three-blade shears
- three-centred arch
- three-chord beam
- three-coat plaster