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Grills of doors and windows are always p...

Grills of doors and windows are always painted before they are used. Give reason

Text Solution

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(1) Grills of doors and windows are made from iron. Iron has a tendency to undergo corrosion.
(2) Paint does not allow air or moisture to come in contact with iron surface.
Therefore, to prevent rusting of iron, grills of doors and windows are always painted before they are used.
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