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s.a (essay)
sc
it can mean two things, (1)mineralogical composition or (2)Chemical composition
There are several forms of short written compositions. Two of the most common are essays and short stories.
A composition or passage for two or more parts, suggestive of a conversation
Two short blasts mean that one intends to overtake the other on the port side. One short blast, on the other hand, means that one intends to overtake the other on the starboard side.
Two short horn blast from a vessel means that she is turning port and one short horn blast that she is turning starboard
Me as two kind. Mean and nasty
Two short blast shows the intention to direct the course of their vessel to their own port (left).
brief grief
Duet comes from the Italian word "duetto".Duetto is a short musical composition with two singers or two voices.Duet is Latin for "two"
Passing on your right side.Signals are (number of blasts):1. Passing you on your left (port) side2. Passing you on your right (starboard) side3. I am moving backwards (astern)4. Danger, don't do that (answer to the other three if dangerous)One short blast means 'I am changing course to starboard.'Two short blasts mean 'I am changing course to port.'Three short blasts mean 'I am operating astern.'Two prolonged blasts followed by one short blast to mean 'I intend to overtake you on your starboard side';Two prolonged blasts followed by two short blasts to mean 'I intend to over-take you on your port side.'A long blast every two minutes is used when operating in fog.