With large numbers of people working on a site, producing a lot of waste and using an array of equipment, there is a high chance that obstructions will form at various points. These can range from inconvenient to dangerous, depending on who needs to get through, with what, and for what purpose.
At key points like doorways, escape routes and entrances, displaying these signs reminds people that they should keep the area clear of clutter so that the site can run smoothly and safely. The sign is designed to be eye-catching and easily-understood, with an exclamation mark symbol included to help visibility and understanding.
The choice of materials and sizes on offer lets you choose a sign that fits your needs, and can be displayed where it's needed.