Back to Appendices main pageSigns may differ slightly in design or shape and may also be made of reflective, fluorescent, or ‘glow-in-the-dark’ materials and may include explanatory text.They may be displayed for other reasons and may include text explaining what is required and why for example food hygiene reasons. Mandatory dustmask Mandatory ear protection Mandatory eye protection Mandatory foot protection Mandatory hand protection Mandatory head protection Mandatory overalls Mandatory respirator Mandatory safety harness Mandatory visorBack to topThe guidance contained in this section intended to serve as a general reminder of the risks that are sometimes encountered during the examination and sampling procedure and of the safety equipment that you should use and precautions that you should take.You must refer to the legislation and the guidance of your national administration for more information.