For the M*A*S*H episode, see Germ Warfare (M*A*S*H). Biological warfare (BW)âalso known as germ warfareâis the use of biological toxins or infectious agents such as bacteria, viruses, and fungi with the intent to kill or incapacitate humans, animals or plants as an act of war.
Copy that is a short form answer, meaning only that the listener can clearly hear the message. It has lost all literal meaning from the days when radio communication was rare enough that operators recorded every message (or every message from stations on their network) they happened to hear, in order to relay the message if they subsequently established contact with the intended recipient.
In information handling, the U.S. Federal Standard 1037C (Glossary of Telecommunication Terms) defines a hard copy is a permanent reproduction, or copy, in the form of a physical object, of any media suitable for direct use by a person (in particular paper), of displayed or transmitted data.