Write two uses of $PCBs$.
(N/A) The term $PCBs$ stands for Polychlorinated Biphenyls. They were historically used in the following ways:
$(i)$ As dielectric fluids in electrical transformers and capacitors.
$(ii)$ As plasticizers in paints,cements,and sealants.
$(i)$ As dielectric fluids in electrical transformers and capacitors.
$(ii)$ As plasticizers in paints,cements,and sealants.
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