The New Encyclopaedia Britannica: Macropaedia: knowledge in depth. 19 vEncyclopaedia Britannica, Incorporated, 1981 - Encyclopedias and dictionaries |
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Page 55
... materials be intercommunicat- ing , a closed - cell foam material is not a good sound absorber . Porous sound - absorbing materials may some- times be faced with hard - surfaced , refinishable perfo- rated panels , wood strips , or the ...
... materials be intercommunicat- ing , a closed - cell foam material is not a good sound absorber . Porous sound - absorbing materials may some- times be faced with hard - surfaced , refinishable perfo- rated panels , wood strips , or the ...
Page 88
... materials , counterparts of which have found their way into many industrial and domestic applications . Virtually all synthetic adhesives and certain of the nat- Polymeric ural materials are polymeric . A polymer is a substance materials ...
... materials , counterparts of which have found their way into many industrial and domestic applications . Virtually all synthetic adhesives and certain of the nat- Polymeric ural materials are polymeric . A polymer is a substance materials ...
Page 1095
... materials is influenced by cost , all phases of archi- tectural design are affected , since the planning procedure , the technique , and the form of buildings are dependent on materials . High labour costs influence the choice of ...
... materials is influenced by cost , all phases of archi- tectural design are affected , since the planning procedure , the technique , and the form of buildings are dependent on materials . High labour costs influence the choice of ...
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19th century abrasive accelerator acid actinide actor Adams adhesives administrative adult advertising Aegean aerospace Aeschylus aesthetic Afghanistan agriculture aircraft airplane animals artist atomic Bantu Bantu languages basic behaviour Bronze Age Cameroon carved Central centre changes Chari-Nile languages coast Congo contains countries Cretan Crete crops cultural Cyclades dance Djibouti early East Egypt electrons engineering Ethiopia example farm feet figures flight Ghana important increase industry Kabul Kenya Khoisan Knossos known Lake land languages mainland major masks ment metal modern mountains Mycenae Niger Nigeria Nilotic northern organization oxidation particles patterns percent period plants political population production proton region River Sahara savanna sculpture soil solvent South Africa southern species style Sudan Tanzania temperature theory tion tons traditional tropical United usually West Africa western Yoruba Zaire