Long countersunk and the removal of mortared flex tube, also the removal of carbon blade
without residues, within round-, quadratic- and rectangular flues.
Bore holes of 140 mm - 520 mm.
The unsoiled alternative through application in the flue not in living quarters.
Unique mill-, bore- and plane-technology. Mortarbowles, concretebowles, claypipe and building
blocks of any constitution
