the utility model is kaszt podporowy with fitted kit intended to prop up the roof mining workings, especially during involving high risk tu0105paniami mining operation in the system u015bcianowym.the upper edges of the beams in the horizontal excavation is off set wooden rectangular wysuwnych filling grommet top of varying wall and dimensions adapted to dimensions kasztu horizontal beams (1).the thickness of the padding top is always less than the thickness varied, beams, which is built podporowy kaszt (1), and their number is selected and determined for each specific conditions. filling counters have lateral incisions to facilitate manual przeu0142amani e their shorter sections without the use of tools.
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