metal framed windows need rubber spacers. why?
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rubber has the property of elasticity
metals as we all know that they are good conductors of heat and electricity and they expand on heating. if the whole frame was made of metal than it would expand and break to to prevent this they are provided with rubber spacers
metals as we all know that they are good conductors of heat and electricity and they expand on heating. if the whole frame was made of metal than it would expand and break to to prevent this they are provided with rubber spacers
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