40-40121 – Danger – Workers Overhead
40-40001 – Hazard -Trucks Crossing – 450 x 600
40-40030 – Hazard – Beware of Machinery – 450×600
40-40020 – Hazard – Laser Beam Hazard 450 x 600
40-40106 – Danger – Construction Site Unauthorised Persons Keep Out