Size support beam

What size support beam do you need to span 20 feet?230 * 600 mm

How many tiles for 4X4bathroom floor?


16 12" x 12" tiles
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I am Thomas Britto here to share my experiences in the civil engineering field to all my readers.Today many students are struggling to buy books at high prices. So I decided to start a blog and share my experience and knowledge with all my readers.

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