.::. Some Random Terms .::. • Efflorescence The leaching of salts through masonry and mortar. (top) .... • Silk It is obtained from cocoons of certain species of caterpillars. It is soft and has a brilliant sheen. It is one of the fines textiles. It is also very strong and absorbent. .... • Leaded glass windows Windows that are constructed of various shaped pieces of glass plate that are held together by lead solder between panes. ....