The Supervising Instructor, Mr. CHAU Kam-po, uses an infrared level instrument to demonstrate how to assess the works of the candidates.
The Supervising Instructor, Mr. CHAU Kam-po, uses an infrared level instrument to demonstrate how to assess the works of the candidates.
The Supervising Instructor, Mr. CHAU Kam-po, uses an infrared level instrument to demonstrate how to assess the works of the candidates.
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