U1N1D2E1R1T1H4R1U1S1T1S1
16 points
UNDERTHRUSTS is validvalid
UNDERTHRUST, [v]
UNDERTHRUST, to insert (a faulted rock mass) into position under a passive rock mass [v]
UNDERTHRUST, [v]
UNDERTHRUST, to insert (a faulted rock mass) into position under a passive rock mass [v]