Copper is an excellent conductor of electricity (this is why they are used in these appliances in the first place).
(Copper; is; an excellent conductor of electricity (this is why they are used in these appliances in the first place) (this; is; why they are used in these appliances in the first place) Context(this is,List([49, 56))):(they; are used; L:in these appliances; L:in the first place)
this is,List([49, 56))
Copper this they
is is are used
an excellent conductor of electricity (this is why they are used in these appliances in the first place
why they are used in these appliances in the first place
L:in these appliances L:in the first place