How to Treat a Jammed Finger - Health Sutra - Duration: 1:54. Health Sutra - Best Health Tips 79,423 views
Brown rat. The brown rat, also referred to as common rat, street rat, sewer rat, Hanover rat, Norway rat, Norwegian rat, or wharf rat (Rattus norvegicus) is one of the best known and most common rats.
Sewer Gas. Sewer gas is a complex mixture of gases produced by the decomposition/decay of organic household or industrial waste. Highly toxic components of sewer gas include hydrogen sulfide in ammonia. Sewer gas can also contain methane, carbon dioxide, sulfur dioxide and nitrogen oxides.