Complex sentence: The climbing capacity is determined at ninety centimetres and 85% on a solid or 65% on a wet slope; the trench-crossing capacity at 250 centimetres and the wading capacity at 120 centimetres.
Split into simpler sentences: The climbing capacity was to be ninety centimetres and 85% on a solid or 65% on a wet slope. The trench-crossing capacity was to be 250 centimetres and the wading capacity, 120 centimetres.