The Stone laying break, if a building (construction) take down, reconstruct or repair stone designs. To disassemble a laying, in it punch through and not through apertures, nests or furrows by means of pneumatic jackhammers and electrohammers, skarpelej, shljamburov, steel lomov, picks, wedges, sledge hammers, hammers, electric drilling cars (fig. 149.
Otbojnye pneumatic hammers (fig. 149, and electrohammers use both at laying dismantling, and for a punched hole of nests and furrows.
a Fig. 149. Tools for dismantling and laying repair :
And - a pneumatic jackhammer, - shljambur, in - the electric drilling car, g - skarpel, d - a breakage, e - a pick, - a wedge
Furrows choose borozdodelom. SHljambur (fig. 149, intends for a punched hole of round apertures of small diameter (30... 50мм). Its one end has sawtooth teeths, the form of other end - cone-shaped. Apertures in walls punch by drilling cars (fig. 149,) with tips of a steel of high durability or firm alloys. Skarpelju (fig. 149,) nests and furrows do. A breakage, a pick, a wedge use at dismantling of walls and the bases as auxiliary tools. A laying restore (close up nests and furrows) tools which masons use at erection of a new laying of walls from stones, buta or a brick.