or semi-synthetic organic solids that are mouldable. plastics are typically organic polymers of high molecular mass. the use of plastic and related materials is increasing tremendously due to growth in population, urbanization and modern life style. municipal solid waste in india contain - per cent by...
or semi-synthetic organic solids that are mouldable. plastics are typically organic polymers of high molecular mass. the use of plastic and related materials is increasing tremendously due to growth in population, urbanization and modern life style. municipal solid waste in india contain - per cent by...
oilseeds and oleaginous fruits prepared and preserved fruit and vegetables tea vegetables hired labour flowers and plants fresh fruit fresh vegetables herbs and herbal teas oilseeds and oleaginous fruits prepared and preserved fruit sports balls tea contract production cereals cocoa fibre crops (including...
used is generally methane or other light hydrocarbons obtained from natural gas or oil and coal. however, there is an increasing interest in using biomass as outlined in the unit on biorefineries . if hydrocarbons are used, the gas or vapour is mixed with a large excess of steam and passed through pipes...