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The ________________ sheets are prepared by pressing flat wrought iron plates between roller with groove and then they are galvanised with the coat of zinc.

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The ________________ sheets are prepared by pressing flat wrought iron plates between roller with groove and then they are galvanised with the coat of zinc.

(a) Asbestos cement

(b) Galvanized iron

(c) Trafford

(d) Corrugated

I have been asked this question during an interview for a job.

My enquiry is from Curved Roofs topic in portion Roofing Materials of Construction & Building Materials

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Right option is (b) Galvanized iron

Easiest explanation: The process of galvanising is name after the 18^th century Italian scientist Galvani and it has been prepared to highly sophisticated degree achieving improvement in the quality, economic, productivity and labour savings. The corrugation help to increase strength and rigidity and the permit easy flow of rainwater.

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