The thickness and the width of an eaves board are generally ______ and

1.	The thickness and the width of an eaves board are generally ______ and _____ respectively.
A.	10 mm, 10 mm
B.	10 mm, 20 mm
C.	25 mm, 25 mm
D.	15 mm, 25 mm
Answer» D. 15 mm, 25 mm

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