Demisting devices to be attached to protective goggles, masks and helmets; protective helmets, protective masks and goggles and/or anti-glare eyewear, namely sunglasses, goggles, spectacles as well as their parts and accessories, namely replacement lenses, earstems, frames, nose pieces and foam strips; cases specially adapted for protective helmets, protective masks and goggles and/or anti-glare eyewear as well as their parts and accessories; clothing for protection against accidents; protection devices for personal use against accidents; gloves for protection against accidents; protective masks; scientific apparatus and instruments for security, for measuring and checking, heart rate measurement devices, altimeters, directional compasses, GPS, speed controllers