Hardnesstester

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a device with a screen that says 63.7 is sitting next to a metal object .
a person is writing on a piece of metal with a pen while using a machine .
a device that says 47.9 on the screen next to a metal object
a metal detector is sitting next to a metal detector on a white background .
a t-ud3 hardness tester displays the number 56.2
a hardness tester with a receipt that says 58.2 on it
a dataview for hardness tester screen shows a graph of average values
    a device that says 58.2 on the screen

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      a person is holding a device with a blue screen that says ok
      a briefcase filled with various items including a cell phone
      a device with a cord attached to it and the number 33.9 on the screen
        a digital device with the number 65.9 on it
        a minecraft character with the word test written on the bottom
        a black case with a digital device and a pen
        a blue and gold device with the word operation on it
        a device with a screen that says omega on it
        a person is holding a pen in front of a tmx251 calculator .
        a metal detector is sitting next to a metal object and a phone .
        a hand is holding a hardness tester that shows a value of 60.8
        a digital thermometer with a red case shows 47.9
        a blue and black device that says 65.9 on it
        a blue and black device with a screen that says 65.9
        a black case with a red device in it
        a pair of round mirrors sitting on top of each other on a table .
        a device that says 65.9 on the screen
        a device with the number 65.9 on it
        a device that says 63.7 on the screen
        a person is using a device with the number 54.3 on the screen
        a device that says 65.9 on the screen
        a tcm-02 hardness tester is showing 65.9
        a machine has a red button that says emergency
        a microscope made by the company presi