Lead, ingested or inhaled, is a health hazard. After the addition of lead to petrol has been banned, what still are the sources of lead poisoning? [CSE (Pre) 2012. 1. Smelting units 2. Pens and pencil. 3. Paints 4. Hair oils and cosmetics Select the correct answer using the codes given below

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Lead, ingested or inhaled, is a health hazard. After the addition of lead to petrol has been banned, what still are the sources of lead poisoning? [CSE (Pre) 2012. 1. Smelting units 2. Pens and pencil. 3. Paints 4. Hair oils and cosmetics Select the correct answer using the codes given below






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