- B Explain Why Rectangular Ducts Are Still Commonly Used In Buildings Despite The Higher Capital And Operating Cost 5 1 (13.75 KiB) Viewed 21 times
(b) Explain why rectangular ducts are still commonly used in buildings despite the higher capital and operating cost. (5
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(b) Explain why rectangular ducts are still commonly used in buildings despite the higher capital and operating cost. (5
(b) Explain why rectangular ducts are still commonly used in buildings despite the higher capital and operating cost. (5 marks)