Confirming the position of the elements (approximately from observations) in the video for precision motion analysis of direction that can affect the appearance of a layer of zinc reversed flow that occurs.
Verify the position of the elements (approx. The notice) in video files for the accuracy of the analysis of the direction of travel affecting the backward flow of zinc layer occurs.
Confirm the position of the elements (EST. From observation) in the video files for accuracy in analysis of the direction of motion at the ส่งผลต่อปรากฏ reverse flow of zinc occurs.