Unit-5--Packaging.ppt

Unit5PackagingIntroductiontoPackagingMaterialsforFoodPackaging【Lead-in】Packagingisthescience,artandtechnologyofprotectingproductsfordistribution,storage,,includingglass,metal,paperandpaperproducts,plasticaswellasmixedmaterials.【LearningObjectives】&SpeakingⅠ.,:Howareyougoingtopacktheseblouses?B:Weuseapolythene(聚乙烯材料)wrapper : :Itakesomepackagingwithme. Pleasehavealookandchoosetheone you’::It’smyfavorite.Ⅱ.:Ithinkweshoulddiscussaboutthe :What’syour?A:Youknowthechemicaldrugsshouldbe :Thenwhatisyour?A:Theyshouldbepackedinplastic-:Howaboutpolythenepackaging?A:’-proofWhatevermodeoftransportationisa,,tosomeextent,,heshouldethatthepackagingcaneffectivelyprotectthegoodsfromdamageandcansustainthelongdistanceof