| |||
shoeshine | |||
pitch | |||
cream for footwear; polish | |||
bitumen A generic term applied to natural inflammable substances of variable colour, hardness, and volatility, composed principally of a mixture of hydrocarbons substantially free from oxygenated bodies. Bitumens are sometimes associated with mineral matter, the nonmineral constituents being fusible and largely soluble in carbon disulfide, yielding water-insoluble sulfonation products. Petroleum, asphalts, natural mineral waxes, and asphaltites are all considered bitumens | |||
bitumen; shoe polish | |||
asphalt; asphalt cement |
betun: 61 do fraz, 13 tematyki |