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Water Quality Tester (Chemistry)
A profession that analyzes water quality from rivers, lakes, groundwater, etc., using chemical methods and evaluates compliance with environmental standards and regulatory values.
Water Quality Analyst (Chemistry)
A profession that analyzes the chemical properties of water in water quality testing laboratories and contributes to monitoring water pollution and environmental conservation.
Water Quality Analyst (Water Treatment Facilities)
Technical role that analyzes and measures water samples collected within water treatment facilities, evaluates compliance with water quality standards, and supports maintenance and improvement.
Hydroturbine Generator Operator
Job that operates water wheels (turbines) and handles the operation, monitoring, and maintenance of generators at hydroelectric power plants.
Level Assembly Worker
A manufacturing technical job that assembles level components and performs precise adjustment and calibration of bubble tubes.
Crystal Rough Grinder
A profession that roughly processes raw crystal stones by mechanical grinding to shape them suitably for subsequent precision polishing and forming.
Crystal Processor
Specialist who processes raw crystal stones through cutting, polishing, engraving, and other methods to finish high-precision products for jewelry, crafts, and optical components.
Crystal Resonator Assembler
A manufacturing job that assembles parts of crystal resonators, performs soldering, frequency adjustment, and inspection to ensure the quality of resonators mounted in electronic devices.
Quartz Miner
A profession that collects and transports natural minerals such as crystals from mining sites and sorts them by quality.
Crystal Oscillator Assembler
A manufacturing job that assembles components of crystal oscillators by hand or using dedicated machines, and performs inspection and adjustment.