schl - semi
- sea ice boundaries
- sea ice extent predictability
- sea kelp
- sea line
- sea marker
- sea outfall
- sea post office
- sea quake
- sea trials report
- sea water desalting plant
- sea water flooded electric motor
- sea wave analyzer
- sea-bed mineral resources
- sea-bottom mining
- sea-bottom reclamation
- sea-floor reflection
- sea-going
- sea-level correction
- seabed drilling rig
- seabed exploration and inspection vehicle
- seabed jack
- seabed oil well
- seabed skirt
- seabed soil sampling rig
- seabed working
- seaboom system
- seadrome
- SEADS
- SEAFAC
- seafloor foundation drilling base
- seafloor rocket coring device
- seafloor spark drill
- SEAL
- seal a patent
- seal area
- seal assembly retrieving tool
- seal assembly running tool
- seal bake
- seal coat(ing)
- seal coat(ing)
