Why date mentioned on Water Tank's Bottom | HDPE full form

[@rkladdi1874]

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[@baljindersingh8863]

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[@thesilenttrix2455]

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[@plumbingtipsters]

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[@poojarai5034]

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[@plumbingtipsters]

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[@vikasjanagal3459]

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[@plumbingtipsters]

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[@natureflow3491]

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