freo - GI/K
- freon leak detector
- frequency
- frequency (distribution) function
- frequency array
- frequency bar chart
- frequency class
- frequency curve
- frequency distribution
- frequency element
- frequency histogram
- frequency moment
- frequency of interruption
- frequency of maintenance
- frequency of overhaul
- frequency of sampling
- frequency of service
- frequency of use
- frequency ratio
- frequency standard
- frequency surface
- frequency table
- frequency-of-use principle
- frequent samples
- frequent-sample plan
- fresh supplies
- frettage
- fretting
- fretting apparatus
- fretting corrosion
- fretting fatigue
- friability test
- friction resistance
- friction wear
- frictional failure
- fritz
- fritz out
- from-to chart
- frost resistance
- frostproof
- full aging
