The scene is a cleanroom laboratory in San Carlos de Bariloche, Argentina, illuminated uniformly by yellow-amber light

The scene is a cleanroom laboratory in San Carlos de Bariloche, Argentina, illuminated uniformly by yellow-amber light. The primary subject is an MJB4 mask aligner, a precision photolithography tool, resting on a speckled grey anti-vibration table supported by a black metal frame. The mask aligner is a multi-component system featuring a black main body with polished silver accents. On the left, an "Olympus" branded microscope is positioned over a mechanical stage that includes a central circular aperture and multiple adjustment knobs. To the right, the control unit displays "MJB4" and features an illuminated LCD screen with a blue background and pink graphical elements. A small, crumpled white paper label with handwritten numbers is taped above the screen, and an "ON OFF" switch is adjacent to it. Above the main unit, a black housing contains optical and mechanical components, including a visible flow meter with a float. A flexible metallic corrugated duct extends from the upper right side of this housing, connected to a white ventilation component and secured by a green clip, rising out of frame. Various cables and tubes are connected to the equipment. No individuals are present in the image.