ramparts built on sand

built-in

built-in test equipment (BITE)

built-up area

built-up areas operations

defense in built-up areas (DIBUA)

fighting in built-up areas

military operations in built-up areas (MOBA)

custom-built offensive cyber weapons

built-in airstairs

built-up frame

built-in check

built-up connection

purpose-built

built in test

domestically built

built-up areas

fighting in built up areas (FIBUA)

SPI Rx (e.g. built-in Rx)

sand ladder

sandtable (sand table)

sand table exercises (STEX)

wet sand-blasting

sand devil

sand particle

sand spreading

sand storm / sandstorm

sand whirl

blowing sand

drifting sand

wet sand-blasting apparatus

have sand in one's hair

sand happy