| automatic chemical-biological warning system(noun, expression, technology, system, warning) |
| automatic fire warning over public address system(noun, expression, technology, system, warning) |
| automatic warning and control system(noun, expression, technology, system, warning) |
| autonomous collision warning system(noun, expression, technology, system, warning) |
| auxiliary warning system(noun, expression, technology, system, warning) |
| aviation warning light system(noun, expression, technology, system, warning) |
| awareness emergency warning system(noun, expression, technology, system, warning) |
| back-up beeper(noun, expression, technology, entity, system) |
| backup alarm warning system(noun, expression, technology, system, warning) |
| ballistic-missile early-warning system(noun, expression, technology, system, warning) |
| beach advisory(noun, expression, technology, entity, system) |
| biological early warning system(noun, expression, technology, system, warning) |
| biological warfare rapid warning system(noun, expression, technology, system, warning) |
| biological warning system(noun, expression, technology, entity, system) |
| bitching betty(noun, expression, technology, entity, system) |
| blind spot warning system(noun, expression, technology, system, warning) |
| broadmoor sirens(noun, expression, technology, entity, system) |
| caution and warning system(noun, expression, technology, system, warning) |
| central aural warning system(noun, expression, technology, system, warning) |
| central warning system(noun, expression, technology, system, warning) |