позитивна плавучість (об’єкт, який плаває = ‘не тоне’)
buoyancy
inflatable buoyancy tank
neutral buoyancy
buoyancy correction
buoyancy (spinta di)
positive target
positive identification (of a target) (PID)
positive muzzle brake
positive reactive-type muzzle brake
positive-passive muzzle brake
positive-type muzzle brake
positive culture
positive safety culture
positive source
positive stability
positive intelligence
positive intelligence quotient (PQ)