The cost per therm of industrial fuels is slightly over three times as much. The real danger to the consumer will not be the price per therm that will be relatively easily looked after but the extras.

Carta is Latin and Italian for "paper" and is Spanish and Portuguese "letter". In English it takes the form "card" or "chart". Most of its uses pertain to its meaning as "paper", "chart", or "map", for example in Magna Carta.

Definition of 'carta'\n\n 1. a formal document from the sovereign or state incorporating a city, bank, college, etc, and specifying its purposes and rights. 2. ( sometimes capital) a formal document granting or demanding from the sovereign power of a state certain rights or liberties.