First of all, most of the bleaching agents adopted in TCF are medicines with no harm on environment, which will not result into pollution after being discharged into river or air; Secondly, the degradation products are basically poison free after paper pulp is bleached, which will have no pollution on atmosphere and be easy to be biodegraded; Moreover, bleaching effluent has no poisonous substances, which can be recycled.
After Williams 's death, Pugs remained a favorite of the British royalty through the 18th century. The Pug's charming features have been portrayed on some famous paintings. The great English artist, William Hogarth, was an owner of Pugs and used them many times in his paintings.
One of the most famous is a self-portrait where he painted himself with his Pug. The breed became very popular in Europe that they were the subjects of paintings of famous European artists. Many Pugs owned by royalty were fitted with matching suits and pants and rode on the front with the coachman. It was in 1885 when the Pug was recognized by the AKC.