Copper wires are usually covered with rubber or plastics to prevent shocks and ensure safety.Because plastics and rubbers are insulators of electricity i.E. They cannot conduct electricity.

Copper wires are usually covered with rubber or plastics to prevent sh

1.	Copper wires are usually covered with rubber or plastics to prevent shocks and ensure safety.Because plastics and rubbers are insulators of electricity i.E. They cannot conduct electricity.
Answer» astic and RUBBER have HIGH RESISTANCE

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Table-1Articles/ Activities (A)Articles Materials used30-40 years ago B)clay jarsArticles Materials usedToday (C)Containers for storing picklePacking food for a journeyWater pipes in the houseplastic tiffin boxesCopper vesselsSteel vesselsVessels for cooking foodFuels used to cook foodFuel used in a train engineLuggage for carrying clothesWater buckets, pailser storages in housesMetalturksPlastic bucketsFurniture (chairs, cots)
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Copper wires are usually covered with rubber or plastics to prevent shocks and ensure safety.Because plastics and rubbers are insulators of electricity i.E. They cannot conduct electricity.

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