Nambarka rukhsadda ee moodalka utility: ZL201820284980.6

Saxanka hoose ee daabku waa laser la gooyey oo qaabeeyey, duurka ayaa si sax ah loo farsameeyey, daabkuna waa saxan yahay oo la dhalaalayay, wareegyada gudaha iyo dibaddaba si fiican ayaa loo sameeyaa si cabbirka hoose loo sameeyo oo ah saxan bir ah oo 16mm ah, daabkuna wuxuu ka samaysan yahay bir wareeg ah oo φ14mm ah, taasoo ka dhigaysa qaab-dhismeed aad u adag.