9 Protective and safety helmets; protective helmets for motorcycles, cyclists and drivers; protective helmets for sports in general; parts of protective helmets, namely, visors and component parts for protective helmets; protective masks for workers or for protection against accidents, and parts of protective helmets, namely, protective masks and relevant component parts for protective masks, cases for protective helmets and masks, overalls for protection against accidents, irradiation and fire, shoes for protection against accidents, irradiation and fire, half-boots for protection against accidents, irradiation and fire, gloves for protection against accidents, irradiation and fire, suits for protection against accidents, irradiation and fire and spectacles; accident prevention articles, namely, pressure control equipment in the nature of blowout preventers; spectacles, lenses for spectacles, frames for spectacles, eyepieces, namely, protective eye pieces, eye pieces for helmet mounted displays; spectacles, particularly eyeglasses, sunglasses, chains for spectacles; spring, namely, spring sunglasses and spectacles; cords for spectacles, spectacles for sports, anti-dazzle spectacles; spectacle cases; scientific, nautical, surveying, electrical, photographic, cinematographic, optical, measuring, signaling, monitoring, inspection, rescue, life-saving and teaching apparatus and instruments, namely, cameras, microscopes; weighing apparatus and instruments; binoculars; monocles