- Ironandsteelisdividedbythickness;theheftierpiecesfetchahigherprice.Inasemiheavywatermolecule,onehydrogenatom(H)isreplacedwithaheftierversioncalleddeuterium(D).Evenasaheftierman,highwatertrousersaren'tsupposedtohoveraboveyourankles,effectivelycutting...
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