1-2 - air
- 1-2 mill
- 1-2-3 mill
- 1-decanol
- 1-dodecene
- 1-nitropropane
- 1-octene
- 1-oz copper
- 100% mirror
- 11-oxahexadecanolide
- 12-molybdosilicic acid
- 12-oxahexadecanolide
- 12-point head bolt
- 180° shutter
- 2 1/2-D milling
- 2-axis hydraulic contouring valve
- 2-D
- 2-D contouring
- 2-D heat transfer
- 2-D image
- 2-D silhouette image
- 2-dimiethylammoethanol
- 2-ethylhexyl alcohol
- 2-ethylhexyl chloride
- 2-handed controls
- 2-hydroxyadipaldehyde
- 2-hydroxyethyl methacrylate
- 2-methyl-1-butanol
- 2-methyl-1-pentene
- 2-nitropropane
- 2D drafting system
- 2D machining
- 2D part
- 2T pulse K factor
- 3-axis hydraulic contouring valve
- 3-D
- 3-D (volumetric )modeller
- 3-D (volumetric )modeller
- 3-D heat transfer
- 3-D image
- 3-D probe