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A. round steps B. angular steps C. winders D. radial steps E. circular steps.
Dear sir, How to calculate Heat load, chilled water design, duct design & ESP calculation in United Arab Emirates
A.strip footing. B.strap footing. C.combined footing. D.raft footing. E.none of these.
Electricity signal can transferred through a wave guide but how this done if wave guide has not any wire and it is just look like a pipe ?