A floor cutting chair is provided to easily cut the floor.;Floor cutting material according to an embodiment of the present invention is a rectangular plate, the main body in which at least one linear guide hole is formed in the longitudinal direction therein, the lower surface of the main body along one side of the horizontal edge of the main body A lower cradle formed in the lower cradle for fixing the position of the main body placed on the flooring material, and positioned below and above the main body, respectively, and attached to each other through one or more keys respectively inserted into the one or more guide holes; It is provided on one side of the upper control panel, and the upper control panel is connected to the upper control plate by one or more hinges, and includes an error control having a vertical length equal to the vertical length of the lower cradle, and for measuring the dimensions of the flooring And a control rod moved along the guide hole.;Flooring, foundation, chair
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