英语翻译Many other kinds of materials besides the basic structur

英语翻译
Many other kinds of materials besides the basic structural materials are needed for a buliding.There is window glass ,to admit light and provide a view.There is insulation.Tokeep the building warm in winter and cool in summer .A big office or apartment building contains vast and complicated heating ,air conditioning ,pluming ,electrical ,and lighting systems .These will use great quantities of metals and alloys,plastics,adhesives,coatings,such as paint for walls and tar to keep roofs from leaking.By the end of Word war II the nonstructurcal materials used in a building added up to more than half the total cost of the building itself