Вставьте пропущенные слова. Paper comes from . After being collected, they must dry for several years before they can be used. More machinery is used to make paper pulp. It takes three tons of wood to make one ton of pulp. The pulp is then washed, bleached and coloured; all the stages require tons of clean . The pulp and water mixture is dumped into a web of bronze wires, and the water showers through, leaving the pulp, which, in turn, is rolled into .
Don’t forget about the energy inputs: electrical, and fossil fuel-based, used to transport the raw material, turn the paper into bags and then transport the finished paper bags all over the world.

inpurple    1   24.11.2020 22:39    237