, jute stick remnants, etc.) free material was treated with per cent hydrochloric acid to remove the remaining inorganic impurities. process of converting caddies to hand-made paper : among the impurities present in caddies, oil, and grease have profound effect on the strength of the paper . besides...
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properties. such activities may include exploration for crude petroleum and natural gas; drilling, completing, and equipping wells; operating separators, emulsion breakers, desilting equipment, and field gathering lines for crude petroleum and natural gas; and all other activities in the preparation of...
which more than % by weight of the total fibre content consists of wood fibres obtained by a chemical process, and weighing g/m or less view gst bleached uniformly throughout the mass and of which more than % by weight of the total fibre content consists of wood fibres obtained by a chemical process...