Light projection apparatus for illuminating an area of interest, a pedestrian crossing, a level crossing, or a landing zone for a helicopter, namely, flashing safety lights, electric warning lights; Optical apparatus for safety of lifting operations, namely, optical lamps, optical signaling cables, optical lanterns, flashing safety lights, projector lamps, luminous beacons for safety or warning purposes, mobile LED projectors used to project and display images and safety messages on walls, LCD projectors used to display safety messages and warnings, portable LED safety lighting devices for personal use for safety purposes, helmet safety lights, illuminated lanyards for safety purposes for fall protection; Optical apparatus to be installed on lifting apparatus, namely, optical lamps, optical signaling cables, optical lanterns, flashing safety lights, projector lamps, luminous beacons for safety or warning purposes, mobile LED projectors used to project and display images and safety messages on walls, LCD projectors used to display safety messages and warnings, portable LED safety lighting devices for personal use for safety purposes, helmet safety lights, illuminated lanyards for safety purposes for fall protection; Eyepieces, namely, lenses for cameras and telescopes, oculars; Light-emitting electronic pointers, namely, laser pointers and luminous pointers; Alarms, namely, acoustic sound alarms, whistle alarms, and workplace safety alarms comprising flashing and steady safety lights; Luminous beacons; Light signals in the nature of flashing safety lights; Optical lamps and lanterns; Luminous or mechanical signaling panels, namely, electric luminescent display panels, luminous traffic signals, luminous signs, luminous warning triangles, luminous or mechanical road signs; Luminous or mechanical signals, namely, flashing and steady safety lights; Sirens; Warning apparatus, namely, warning bells; Protection devices for personal use against accidents, namely, shoes for protection against accidents and fire, gloves for protection against accidents, protective helmets, insulated clothing for protection against accident or injury; Image projection apparatus, namely, projector lamps, mobile LED projectors used to project and display images and safety messages on walls; Apparatus for projecting a contrasting light and dark image, namely, projector lamps, mobile LED projectors used to project and display images and safety messages on walls, LCD projectors used to display safety messages and warnings; Projection apparatus for safety on construction sites, namely, flashing safety lights, projector lamps, luminous beacons for safety or warning purposes, mobile LED projectors used to project and display images and safety messages on walls, LCD projectors used to display safety messages and warnings, portable LED safety lighting devices for personal use for safety purposes, helmet safety lights

Installation, maintenance and repair of optical apparatus in the nature of safety and signaling lights or beacons for others used for safety in lifting operations; Installation, maintenance and repair of optical apparatus on lifting apparatus in the nature of safety and signaling lights or beacons for others used for safety in lifting operations; Installation, maintenance and repair of projection apparatus in the nature of safety and signaling lights or beacons for others used for safety on construction sites