| central warning system panel(noun, expression, technology, system, warning) |
| chemical attack warning system(noun, expression, technology, system, warning) |
| chemical attack warning transmission system(noun, expression, technology, system, warning) |
| chemical hazard warning system(noun, expression, technology, system, warning) |
| civil danger warning(noun, expression, technology, entity, system) |
| civil defense warning system(noun, expression, technology, system, warning) |
| civil emergency message(noun, expression, technology, entity, system) |
| closed-circuit television(noun, expression, technology, entity, system) |
| cloud and collision warning system(noun, expression, technology, system, warning) |
| collision and obstacle avoidance warning system(noun, expression, technology, system, warning) |
| collision and terrain avoidance warning system(noun, expression, technology, system, warning) |
| collision warning system(noun, expression, technology, system, warning) |
| computerized monitoring system warning category(noun, expression, technology, system, warning) |
| conflict early warning system(noun, expression, technology, system, warning) |
| congestion warning system(noun, expression, technology, system, warning) |
| continental early warning system(noun, expression, technology, system, warning) |
| control and warning system(noun, expression, technology, system, warning) |
| convention on early notification of a nuclear accident(noun, expression, technology, entity, system) |
| cooling system warning(noun, expression, technology, system, warning) |
| counter-battery radar(noun, expression, technology, entity, system) |