This allows copper to be used in electrical conducting wires, pipes and radiators in central heating.
(This; allows; copper to be used in electrical conducting wires, pipes and radiators in central heating) Context(This allows,List([0, 11))):(copper; to be used; L:in electrical conducting wires, pipes and radiators in central heating)
This allows,List([0, 11))
This copper
allows to be used
copper to be used in electrical conducting wires, pipes and radiators in central heating
L:in electrical conducting wires, pipes and radiators in central heating