Aún no tenemos significados para "go-ahead signal".
1With everything covered and the clock ticking, Rapp grabbed the proper gear and gave Adams the go-ahead signal.
2Ash repeated the go-ahead signal, and his squad made sure the target stayed down with several bursts of well-placed rounds.
3When he had reached the other end of the bridge, he gave the go-ahead signal and the train pulled out.
4The conductor gave the go-ahead signal, and the motor-man started in to try to make up some of the time lost from his schedule.
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