flus - free
- fluxing ore
- fluxing paste
- fluxing power
- fluxing stone
- fluxing temperature
- fluxion
- fly cutting
- fly sheared sheets
- fly-sheared length
- fly-wheel circuit
- fly-wheel reduction gear
- flyball tachometer
- flying micrometer
- flying saw
- flying shear
- flying shear line
- flying shears
- flywheel-assisted reduction gear unit
- FM beam
- foam (plastic) pattern
- foam deduster
- foam flotation
- foam-like scum
- foam-producing agent
- foamed lead
- foamed slag
- foamer
- foaming
- foaming agent
- foamy
- focal area
- focal circle
- focal distance of the monochromator
- focus ring
- focus-to-film distance
- focused
- focused diffracted beam
- focused image
- focused monochromatic X-ray beam
- focused reflection