A—cost of quality
    B—quality level
    C—quality control
    D—quality management
    E—supply chain
    F—quality assurance
    G—major defect
    H—inspection certificate
    I—check list
    J—quality engineering
    K—sample size
    L—inspection cost
    M—rejection number
    N—laboratory testing
    O—quality inspector
    P—consumer safety
    Q—appearance check