A room is 10 m long ,6 m wide and 4.2 m high .it has one door of 2.5 m × 1.5 m one window pic dimension 1.5m × 1 m. find the cost of whitewashing the walls at ₹ 2.50 per sq. m.

the highest percentage for deaths in construction from highest to lowest is as follows: falls, struck by objects, electrocution, and caught-in/between. these four are collectively known as fatal four.

in the case of falls, the type that is responsible for the overall highest death in the category is falls from roofs.

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