Orbital cellulitis is a serious condition that usually occurs secondary to infection in the maxillary and ethmoidal paranasal sinuses. If left untreated, it can lead to blindness, cavernous sinus thrombosis, meningitis, or cerebral abscess.
Marine plywood is frequently used in the construction of docks and boats. It is much more expensive than standard plywood: the cost for a typical 4-foot by 8-foot 1/2-inch thick board is roughly $125 U.S. or around $3.50 per square foot, which is two to three times as expensive as standard plywood, depending on grade.arine plywood can be graded as being compliant with BS 1088, which is a British Standard for marine plywood. There are few international standards for grading marine plywood and most of the standards are voluntary. Some marine plywood has a Lloyd's of London stamp that certifies it to be BS 1088 compliant.
Price: $20.04 to $25.49. Marine Varnish has long been used as a protective and preventative agent for protecting wood in a wet, marine environment. Spar varnish formulations for use on boats are typically a mix of oil, resin, solvent, dryers and ultra-violet additives.he choice boils down to two main considerations: How stable is the wood you are coating? If it is prone to movement, such as a spar, old clinker, or carvel planked boat, traditional varnish is the right choice. If the piece is more stable and inert, a harder modern finish is also an option.