wallywombat:
Surely a pre-payment key-operated gas meter has no standing charge? The only thing you pay for is to top up the key - the cost per unit being higher to cover what would otherwise be a standing charge?
wallywombat:
Surely a pre-payment key-operated gas meter has no standing charge? The only thing you pay for is to top up the key - the cost per unit being higher to cover what would otherwise be a standing charge?
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