(A) 2.5 m (X)
(B) 3.5 m (X)
(C) 4.5 m ()
(D) 5.5 m (X)
Answers: Couple close roof is suitable for maximum span of 4.5 m.
(A) 2.5 m (X)
(B) 3.5 m (X)
(C) 4.5 m ()
(D) 5.5 m (X)
Answers: Couple close roof is suitable for maximum span of 4.5 m.
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