Tramcars

noun

1. A streetcar.
2. A rail vehicle for carrying loads in a mine; a tram.

   "We arrived at level 15 where we piled into a battery powered tramcar for a ten minute ride to the section of the mine we would be visiting. Packed into the tram we realized why the gigantic cooling and ventilation systems on the surface pumps 550 cubic meters of air into the mine each second."