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.
Healthy tears provide a moist protective surface to the eye. Blinking refreshes the tear film and directs tear fluid towards the inner corner of the eyelids when it drains. Watery eye can be the result of irritation or inflammation in or around your eye that causes your eyelids to increase tear production.atery eye is usually caused by irritation or infection of the eye, injury to the eye from trauma, or a common cold. Other symptoms of eye irritation, including itching, redness, a gritty feeling, and swelling of the eyelids, often accompany watery eyes.