4. Steel rails are laid for rail road at a temperature of 35 F. The gap must be left between
each 15m rail section and the next if the rails should just touch when the temperature
raises to 1200F is
la = 12x10 °C)
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Answer:
12 ×10=120 hvhwhjdbwbkbej
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which option offers a built in design through a dialog box?
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