1. Areas where the A1 is at risk of falling, such as swimming pools, sandpits, cliffs, etc.
2. Areas where the A1 may mistakenly cut, such as flower beds, vegetable gardens, etc.
3. Areas where the A1 is prone to collisions or getting stuck, such as trampolines, swings, slides, outdoor furniture, curbstones, trees, houses, etc.
4. Slopes or pits with an incline greater than 24° (45%).
5. Areas with exposed wires on the ground.