astatize
ASTM
asymmetrical
asymptote
asymptotic
at
at-a-price
athrogene
atmoclastic
atmosphere
  atmospheric
atmospheric-pressure
atomic-hydrogen
atomic-type
atomizer
at-rest
ATS
attachment
attack
attapulgite-saltwater
attenuate

    atmospheric wellhead chamber

    устьевая камера с атмосферным давлением