Here are some reasons, when they are made, they move down the conveyor belt easier, they blow up into bottles easier, less chance of air pockets, they pack better and take up less space. For consumers they are easier to hold, store, stack and less likely to tip! Now that being said, I had no idea what kind of bottle you were asking about bc, you said round on bottom, so I just answered about bottles in general!
2007-11-28 13:04:12
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answer #1
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answered by ♥ðñê £ðvê♥ 5
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For the same reason there are bottles that are square at the bottom.
2007-11-28 19:03:22
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answer #2
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answered by RT 4
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way back before they began mas producing them they were hand blown and round was easier to produce. Now the rounded corners on the bottom of the corners are less likely to chip or brake.
2007-11-28 23:38:56
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answer #3
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answered by ugly joe 4
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no one bought the square ones
2007-11-28 18:59:05
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answer #4
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answered by irish_matt 7
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So they don't fall over.
2007-11-28 18:56:29
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answer #5
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answered by jazzbaby_12 2
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