<prompt> Translate the following text to EnglishMeli zilizokuwa katika Firth of Forth zingeweza kuiona kwa urahisi na ilikuwa njia nzuri ya kujilinda ikiwa upepo uliokuwa ukivuma ungeweza kusababisha sauti ya risasi iende njia isiyofaa.  <response>: It could easily be seen by ships in the Firth of Forth and was a useful safeguard if prevailing winds carried the sound of the gunfire the wrong way. 