TheDuetTapeAmongthecontentsofthetoolboxesofmostpeopleinthewesternworldyouwouldexpecttofindahammerandnails,adrill,screwdrivers（螺丝起子）andsomescrews.ButifyouweretoaskpeoplefromNorthAmericawhatthemostusefulitemintheirtoolboxeswas,themajorityofpeoplewouldundoubtedlytellyouthatitwasduct（输送管）tape.Indeed,ithasbecomeanindispensableadditiontoeveryperson'sperceptionofwhatconstitutesnecessity.Maybeyouhaveneverheardofducttape.Itisthebrandnameofatape.Notonlyisitatape,butalsoitisaspecialkindoftape.Thenameofthetapecomesfromthefactthatitwasdesignedasaninsulating（绝缘的）tapethatcanbeusedinductwork（channelsorconduits］导管］thatareusedforheattotravelthroughtogettodifferentareasofabuilding）.Incrediblethoughitseems,someoneactuallyputapictureofaduckonthepackagingofthetapefromonemanufacturerperhapsjustasajokeormaybebecausethedesignartistdidnotunderstandtheoriginofthename.Neitherthewordducknorductwasonthelabel.Presumably,itwasassumedthateveryonecouldidentifytheproduct.Youcanrecognizethegenuinetapebecauseofitssilvergreycolor.Thecolorwaslikelychosenbecauseitcloselyresemblesthecolorofthepipesthecolorofthepipesitwouldbeusedon.Thatwastheprimaryintendeduseofthetape.Itwasunlikelythattheinventorrealizedhowmanyotherusescouldbefoundforthisproduct.Ingenious（善于仓 U 造发明的）peoplehavefoundmanyalternativeusesforthistape.Thebinder（粘合剂）onthetapeisofgoodqualityanditwillsticktomostsurfaces.Thetapeisofgreatstrength.Itisimpossibletotearthetape.Itmustbecut.Thedurablenatureofthetapeisoneofitsmainassets（益处，优点）.Itcomesinavarietyofwidthsandthelengthofthetapeontherollwillvaryaswell.Thenumberofcentimeterswideandthenumberofmeterslongwilldeterminethepriceoftheroll.Theducttapeisacquiringfameasthenumberofitsusesforitexceedsthethoughtspossible.Thenumberofusesforthistapewillamazeyou.OneinternetWebsite（环球网的站点）startedouttryingtoidentify101usesfortheducttapeandthelisthaswellover200usesonitnow.Maybethereareaninfinitenumberofuses.Someoftheitemsitlistsinvolveanimaginationbutothersareq...
