40-40139 – Danger – ACID – 600×450
40-40106 – Danger – Construction Site Unauthorised Persons Keep Out
40-40004 – Hazard – Beware Of Crane – 450 x 600
40-40011 – Pedestrians Watch Your Step 600 x 450
40-40105 – Danger – Explosive Powered Tools in Use – Keep Clear – Metal