husbandry service activities agricultural service activities animal husbandry service activities hunting,trapping & game propagation forestry, logging and related service activities *fishing,oper. of fish hatcheries & fish farms fishing operation of fish hatcheries & fish farms * mining of coal and...
manufacturing process; but, suspended in the glass vehicle, its resistance to alkali or acidic materials is not an issue. in artistic paint , heat stability is less important, while lightfastness and toxicity are greater concerns. biological pigments in biology, a pigment is any coloured material of plant or animal...
lubricants to withstand the stresses involved in sewing. embroidery threads are yarns specifically designed for hand or machine embroidery. natural fibers the most common plant fiber is cotton , which is typically spun into fine yarn for mechanical weaving or knitting into cloth. the most commonly used animal...