underwater
abbreviation
accessories
acronym
ambient
anacronym
apparatus
assembly
background
banner
breathing
buoyancy
carried
compensator
concept
definition
diver
education
entirely
equipment
gas
general
harness
includes
instrument
integral
jacket
learn
mount
parts
phrase
pressure
provide
required
scuba
selfcontained
set
speaking
teaching
term
text
under
usage
water
word