subs - taxi
- surface equipment
- surface evaporation
- surface evenness
- surface exposure
- surface facility
- surface failure
- surface fatigue
- surface fermentation
- surface film
- surface finish
- surface finish gage
- surface flatness
- surface flaw
- surface floating trawl
- surface folding
- surface fracture
- surface friction
- surface front
- surface gage
- surface gate MOS
- surface geology
- surface geometry
- surface grammar
- surface grating
- surface grinder
- surface grinding
- surface growth
- surface hardening
- surface hardening equipment
- surface heat exchanger
- surface heat source
- surface hologram
- surface ignition
- surface impedance
- surface imperfection
- surface impurity
- surface impurity concentration
- surface inclusion
- surface inlet
- surface inspection