Binoculars; Air analysis apparatus; Alarm monitoring systems; Batteries, electric; Cases for smartphones; Clothing for protection against accidents, irradiation and fire; Diving suits; Downloadable mobile applications for editing photos; Headphones; Laptop computers; Optical frequency metrology devices; Optical lenses; Optical sensors; Range finders for cameras; Safety goggles; Surveying instruments; Surveyors' levels; Telescopes; Telescopic sights; Thermal imaging cameras; Thread counters; W...