thin - ton
- thin airfoil theory
- thin film
- thin sheet
- thin walled cylinder
- thin walled tube
- thinner
- third law of thermodynamics
- third principle of thermodynamics
- third rail
- third robot generation
- third tap
- thomson effect
- thorium
- thorium reactor
- thread
- thread angle
- thread bottom
- thread chaser
- thread cutting
- thread cutting device
- thread cutting die
- thread cutting lathe
- thread cutting machine
- thread gage
- thread gauge
- thread grinder
- thread grinding
- thread grinding machine
- thread groove
- thread guide
- thread milling cutter
- thread milling machine
- thread plug
- thread plug gage
- thread profile
- thread ring gage
- thread roll
- thread rolling
- thread rolling die
- thread rolling machine
