Cautious and attentive × Required Skills

Use of Tools and Measuring Instruments (1) Vacuum Pump Operation (1) Vehicle frame cutting (1) Visual inspection (1) Water Quality Management (1) Water Quality Measurement (1) Waterproof Material Mixing (1) Weather and Sea Condition Judgment (1) Weight Measurement (1) Weld bead inspection and finishing (1) Welding Skills (1) Welding and piping technology (1) Welding condition setting (1) Wild Vegetable Knowledge (1) Wireless Engineering (Basics) (1) Wiring Construction (1) X-ray Diffraction Analysis (1) pH Measurement and Adjustment (1)