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NATURE POINTS THE WAY
CHEMISTRY IN OVERALLS
10 other sections not shown
acetylene alloys ammonia amounts aniline applied atoms automobile bleaching calcium calcium carbide carbide carbon carbon dioxide cellulose chemical compounds chemical industry chemical manufacture chemical products chemist chemistry chlorine chromium coal coating color combined contribution cost cotton depend discovery disease dustry dyes earth economic effect efficiency elements engine essential explosives fabric factor fertilizers fibers filament fuel gases glass heat human hydrogen ical important improved increase inks insects iron lacquers light liquid lubricating medicines ment metals methods modern molecules nation natural nitric acid nitrocellulose nitrogen odors operations oxygen paint petroleum phosphoric acid pigments plants potassium prevent products of chemical protection purposes quantities raw material refining resins resistance result rubber salt smokeless powder soap solvent steel substances sulfuric acid supply synthetic resins textile tion tire treatment tungsten ture utilize valuable variety vital vitamin wastes yield