What is changing my tap color in a hydrant flush?
Benzoin resin is a fragrant resin which is obtained from the bark of several species of trees in the genus styrax. It is mostly used in perfumes, some kinds of incense and in medicines(tincture of bezoin).Traces of benzoin is also found in cigarettes. Prolonged exposure to the smoke can cause irritation to our eyes, nose and throat. target organs : eyes, skin, respiratory system symptoms of over exposure: irritation of eyes,nose and throat, head ache and drowsiness may occur
Yes. Look up lightning rod. Only single conductor for each air terminal (one of the rods on the roof).
