P3A1W4L1S1
10 points
PAWLS is validvalid
PAWL, a hinged mechanical part [n]
PAWL, a lever which engages with a ratchet wheel so as to permit movement in one direction only [n]
PAWL, a hinged mechanical part [n]
PAWL, a lever which engages with a ratchet wheel so as to permit movement in one direction only [n]