Revenue passenger miles. Revenue passenger miles (or RPM) measures demand for air transport. Itâs calculated as the number of revenue passengers multiplied by the total distance traveled. Itâs also called airline âtraffic.â. An increase in RPM is positive for an airline company. It means that more passengers are using their service.
Definition. An armpit lump is a swelling or bump under the arm. A lump in the armpit can have many causes. These include swollen lymph nodes, infections, or cysts.
What Causes Pimples under the Armpits? Actually, pimples, wherever they are, are occurred due to similar causes. The causes can be sweat, dirt, dust, bacteria, hormone, your bad psychology condition and some others. Besides, the use of wrong deodorant or body soap can also be another factor if there is underarm pimple.