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
See Gas-liquid contactor. A contactor is an electrically controlled switch used for switching an electrical power circuit, similar to a relay except with higher current ratings. A contactor is controlled by a circuit which has a much lower power level than the switched circuit. Contactors come in many forms with varying capacities and features.