Low-priced stock that sells at less than $1.00 per share. Often highly-speculative and volatile, such as start-up mining companies. While, in general, penny stock are considered high-risk securities, some penny stock mature into less-speculative investments. All penny stock are traded over-the-counter.
In its natural form, cork is also a very good fire retardant, although cork dust is actually extremely flammable (because here the cell structure has been broken down). Impermeable: Cork has a magic chemical in its cell membrane that makes it completely impermeable to liquids and gases.
Their analysis found more than 25 volatile air pollutants - including the carcinogens acetaldehyde and benzene. Benzene causes leukemia and other blood cancers, according to the American Cancer Society. Acetaldehyde has been shown to cause nasal and throat cancer in animal studies. Steinemann thinks agencies focus too much on limiting other pollution sources when they should look closer to home.