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    Can you tell what it is?
    0:59
    A blade as sharp as tofu!
    0:30
    Can you tell what part this is?
    0:59
    What's this called?
    0:51
    What is this? numerical control machine
    0:33
    Numerical control tool numerical control machining
    0:58
    Numerical control machine tool for numerical control machining of cutting tools
    0:15
    ! Guess what it is this time! Numerical control machining of numerical control machine tool
    0:59
    This is laser cutting, right? But is this cut aluminum or something?
    0:59
    Is it laser cutting?
    0:59
    Bigger teeth. Do you know what this is for?
    0:59
    Is this a big gear? What guy is it for?
    0:59
    Some failed cases! Numerical control tool numerical control machining
    0:52
    Guess what? numerical control machine
    0:59
    Is it serious to finally break it with your hands?
    0:59
    What role is this in chess?
    0:59
    ! Gear? numerical control machine
    0:59
    Relief processing!
    0:59
    Does it look like an engine?
    0:59
    It's like a doorknob!
    0:59