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    Marble - flexural strength
    0:47
    Bokser biega
    1:31
    Determination of flexural strength under concentrated load
    1:51
    4.02.2022 Narty w Zieleńcu
    2:37
    5.2.2022 pies bokser
    1:04
    5.02.2022 zabawa z psem
    0:21