Company A is renovating a commercial building on Chapel Street in Prahran, Victoria. The work is expected to take several months. Company A uses a small forklift to deliver building materials from the street to the first floor of the commercial building. B is blind and walking on the footpath beside the construction site as the forklift is making a delivery. A box of materials falls off the forklift and hits B in the head. B is severely injured. Which of the following precautions would a reasonable company have taken in the circumstances?