1 Nummular dermatitis can be treated with moisturizing lotion and a prescription-strength corticosteroid cream.  Stasis dermatitis can be treated by wearing support stockings and elevating your legs to reduce their swelling. Also, the underlying condition that is causing the leg swelling should be controlled.
With belt over roller conveyor, the belt can be either slider bed supported or supported by return rollers located underneath the load rollers. Belt on roller conveyor and bolt over roller are both fairly common types of powered conveyor and usually have rubber belts of strong ply and thickness. view entire article
Potentiometers are commonly used to control electrical devices such as volume controls on audio equipment. Potentiometers operated by a mechanism can be used as position transducers, for example, in a joystick.