题目内容:
PackagingguidelinesshouldbealwayspreferredEXCEPT( ).
A.whenpossible,packinstrongcontainersandadequatelysealedandfilled B.moisture-resistantmaterialsforpackagesincludingpackingfillershouldbeused
C.themoreexpensivepackagingmaterial,thebetter
D.observingpackingrequirementsforanyproduct-specifichazardousmaterials
参考答案:
答案解析: