Do not use the appliance as a resting place for anything else. The article could melt or catch fire if residual heat is still present or if the appliance is switched on by mistake. Do not cover the appliance, e.g. with a cloth, kitchen foil, etc. This could be a fire hazard if residual heat is still present or the appliance is switched on by mistake. Do not use plastic or aluminium foil containers. These melt at high temperatures and could catch fire. Make sure all the components of the gas burners have been correctly assembled before switching on. A pan which is too small will be unstable on the pan support. If the pan diameter is too large, flames can spread out to the sides and damage or burn the worktop, wall claddings or surrounding units and also parts of the hob.