1.

In panelled doors, the maximum area of a single panel of timber should not be more than _______

A. 0.5 m<sup>2</sup>
B. 1 m<sup>2</sup>
C. 1.5 m<sup>2</sup>
D. 2 m<sup>2</sup>
Answer» B. 1 m<sup>2</sup>


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