A. The GZ should be at least 0.15 metres at an angle of 25 degrees or more B. The GZ should be at least 0.15 metres at an angle of 30 degrees or more C. The GZ should be at least 0.20 metres at an angle of 25 degrees or more D. The GZ should be at least 0.20 metres at an angle of 30 degrees or more « Previous Next »
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