1131 - adia
- 11312tube expanding
- abating
- abc
- aberration
- abjusting spring
- ablation
- ablative cooling
- ablative material
- above critical state
- abradability
- abrasion
- abrasion resistance
- abrasion test
- abrasion tester
- abrasion wear
- abrasive
- abrasive band
- abrasive belt
- abrasive belt grinding
- abrasive belt grinding machine
- abrasive cloth
- abrasive cut off machine
- abrasive cut off wheel
- abrasive ecp
- abrasive grain
- abrasive jet machining
- abrasive machining
- abrasive paper
- abrasive paste
- abrasive powder
- abrasive resistance
- abrasive tool
- abrasive wear
- abrasive wheel
- abrasive wire sawing machine
- abscissa
- absolute
- absolute acceleration
- absolute assembler
- absolute black body
