P₃I₁N₁G₂E₁R₁S₁

10 points

PINGERS is validvalid

PINGER, a device for producing pulses of sound [n]

47,925 of 196,601 in NWL2023·also valid in CSW24

PINGER, a device for producing pulses of sound [n]

181,124 of 280,887 in CSW24·also valid in NWL2023