The mechanism of using 2 flags held in different positions to communicate between ships at sea is called what?
Semaphor Flag semaphore Semaphore (communications) Semaphore (communication) Semaphore flags Shipping signals Semaphore alphabet Semifore Signaling, Semaphore procedure Japanese semaphore Semaphore Semafore Semaphore flag signalling Semaphore (comunication) Flag semaphore code Flag semaphore codes Semaphore flag Semaphone
semaphor semafore semaphore alphabet japanese semaphore flag semaphore semaphore communications flag semaphore code semaphore flag signalling semaphone semaphore semifore signaling semaphore procedure semaphore comunication flag semaphore codes semaphore flags shipping signals semaphore flag semaphore communication
semaphore
WikipediaEntity
Semaphore