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Scratch & sniff cards prompt natural gas scare

2013-05-09 01:42:27| Energy - Topix.net

Those scratch & sniff cards the energy company sends to customers to teach them to recognize the artificial smell added to natural gas? Turns out they work pretty well.

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Category:Energy and Environment

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Energy and Environment »
24.115 2 PG
24.11215103TW 17svtw
24.11 Switch light
24.11Dr.SLUMP 19
24.11layover LP
24.11PING i230 6W 5
24.11BTS CD
24.11HG 56
More »