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)
Symptoms of geographic tongue. Some of the signs and symptoms of geographic tongue include the following: â¢ The side of the tongue or the top may have blister-like lesions that are reddish in color, smooth and in abnormally shaped patches.These map-like patches may have greyish-white borders.auses of geographic tongue. The exact causes of geographic tongue are unknown. However, some of the causes and risk factors of geographic tongue are listed below: â¢ A family history of geographic tongue increases the risk of the individual to develop the condition.