A1I1R1L1O1C3K5S1
14 points
AIRLOCKS is validvalid
AIRLOCK, a blockage in a pipe caused by an air bubble [n]
AIRLOCK, an obstructing bubble in a pipe [n]
AIRLOCK, a blockage in a pipe caused by an air bubble [n]
AIRLOCK, an obstructing bubble in a pipe [n]