Accidents from uncovered hotplates.
Burns/ Damage in clothes / Fire Accidents
Not only do little children but also adults may be exposed to the risk of being injured, if the temperature of the hot plate rises over 200'C. Additionally, when accidentally dropping the hot iron or obliviously leaving it on the top of clothes while it is switched on raises the risk of fire accidents and thus requires special care in handling.
Nevertheless, ever since 1917, conventional electric irons has been posing risk of such accidents.