Changes

The resulting tape was strong and flexible and was nicknamed "Duck Tape" for its ability to repel water (like water off a duck's back). However other sources claim that the name derives from the "cotton duck" fabric from which it was made. It proved very popular with the troops as it ripped easily into strips for fast convenient use and was adopted for many other on-the-spot repair jobs when improvisation was a necessity.  

The resulting tape was strong and flexible and was nicknamed "Duck Tape" for its ability to repel water (like water off a duck's back). However other sources claim that the name derives from the "cotton duck" fabric from which it was made. It proved very popular with the troops as it ripped easily into strips for fast convenient use and was adopted for many other on-the-spot repair jobs when improvisation was a necessity.  

During the post-war building boom the tape was used to seal heating and air-conditioning ducts and obtained its silver color to make it less conspicuous.  The name then transmogrified into "duct tape".<ref>In the TV sitcom "Home Improvement", the lead character, Tim Taylor. often corrects his wife for calling it "duck tape" and emphasises the use of the glottal stop to pronounce it "duct"-"tape". However, in reality she is probably justified in her usage.</ref>  

During the post-war building boom the tape was used to seal heating and air-conditioning ducts and obtained its silver color to make it less conspicuous.  The name then transmogrified into "duct tape".<ref>In the TV sitcom "Home Improvement", the lead character, Tim Taylor. often corrects his wife for calling it "duck tape" and emphasises the use of the glottal stop to pronounce it "duct"-"tape". However, in reality she is probably justified in her usage.</ref> However, it was later discovered that the heated/cooled air passing through the ducts -- along with their usual placement in unventilated areas -- made the tape (ironically) generally useless for that purpose.

==Modern tape==

==Modern tape==