Memory hook: Dike roads and mountain driving
Dike: winding, narrow, sloping verge, overtaking often unsafe. Mountain: climbing = not too high a gear; descending = same gear + engine braking; climbing > descending in priority.
Dike: winding, narrow, sloping verge, overtaking often unsafe. Mountain: climbing = not too high a gear; descending = same gear + engine braking; climbing > descending in priority.