The glass fiber may be randomly arranged, flattened into a sheet (called a chopped strand mat), or woven into a fabric. The plastic matrix may be a thermosetting plastic â most often epoxy, polyester resin â or vinylester, or a thermoplastic.he glass fiber may be randomly arranged, flattened into a sheet (called a chopped strand mat), or woven into a fabric. The plastic matrix may be a thermosetting plastic â most often epoxy, polyester resin â or vinylester, or a thermoplastic.
Signs and symptoms of black hairy tongue include: Black discoloration of the tongue, although the color may be brown, tan, green, yellow or white. A hairy or furry appearance of the tongue. Altered taste or metallic taste in your mouth. Bad breath (halitosis)
black hairy tongue: black, gray, or brown patches; may look like theyâre growing hair: geographic tongue: smooth, red spots of irregular shape on the top and sides of the tongue: leukoplakia: irregularly shaped white or gray spots: lie bumps: small white or red spots or bumps: thrush: creamy white patches, sometimes with red lesions: aphthous ulcers (canker sores)