Q: The gas company man just checked our furnace and said the air ducts are made of asbestos. The house was built in the 1960s and I'm afraid that the old ducts may now be against the law or in ...
The construction industry began using asbestos in the early 20th century because of its heat resistance, durability, and insulating properties. However, as health risks associated with asbestos came ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results