(多相的,由多种成分形成的),,petroleummaybetakentooilrefineriesandthehydrocarbonchemicalsseparatedbydistillationandtreatedbyotherchemicalprocesses,(化妆品):ponentsofourcosmetics,likelipstick,facialmakeup,soapandshampoo,:Oilandnaturalgascontributetoourhealthandwell-–derivedfrompetroleum–:Millionsoffamiliesworldwiderelyonclean-:Polystyrene(聚苯乙烯),madefrompetroleum,(泡沫塑料).BACKClothing:Petroleumplaysaroleinmakingclothescolorfulandnon-:Petroleum-basedresins(树脂)(蜡笔):Crayonsaremadefromparaffinwax,(洗衣粉):Boththesturdy,:Couchcushions(垫子)areoftenfilledwithdurablelightweightpolyurethanefoam(聚氨酯泡沫塑料).Carpeting(地毯):-:Mostplasticsdonotconductelectricity,whichiswhytheymadegoodinsulatorsforwires,outlets,switches,:Non-stickcookwareiscoatedwithPTFE(聚四氟乙烯),:Severalkeyapplicationsforpolypropylene(聚丙烯)plasticsincludecontainersfornon-carbonatedbeverages(非碳酸饮料),personalcareitems,pharmaceuticals(药物),:Oilandnaturalgasfuelnearlyalloftheworld'svehicles,whetheronland,sea,–fromtheinte
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