The National Motor Freight ClassificationÂ®. The National Motor Freight ClassificationÂ® (NMFCÂ®) is a standard that provides a comparison of commodities moving in interstate, intrastate and foreign commerce. It is similar in concept to the groupings or grading systems that serve many other industries.
Dry eyes Symptoms of dry eyes include a gritty sensation, pain, light sensitivity, eye redness, burning, and stinging. Sjogren's syndrome Sjogren's syndrome is an autoimmune disorder that most often causes dry eyes and dry mouth.
Blepharitis is a condition of eyelid inflammation which causes redness and irritation on the eyes. Your will have burning sensation or gritting feeling on the eyes when infected with blepharitis. Some people will feel as though sand is deposited inside the eyes during this situation which will cause swelling of eyelids.