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.
Musty flavour of corked wine is caused by a chemical that KNOCKS OUT your sense of smell. 1  Corked wines are contaminated with a âtaintâ caused by the compound TCA. 2  Rather than sparking odour perception, however, TCA only supresses them. 3  The research could help develop more powerful odour-masking products.