How farmers transport food to their roofs

1. Use a ladder to carry it. 2. Use the rope to lift vertically. 3. Use a skateboard to pull diagonally. 4. Use a pulley (pulley block) to pull. 5. Throw it up (small amount, not too high)

Other industrial methods: 1. Use belt conveyors and vertical bucket elevators. 2. Use gantry and crane (tower crane, truck crane, gantry crane) 3. Use helicopter (for special environments such as floods and earthquakes) 4. Use a hot air balloon to bring it up.

Other methods 1. Bring ants and pigeons biological methods. 2. Use earth rockets (two kicks) to bring it up.