WIGE BYINSHI BESTEFLON PTFE HOSE NA VIDEO Ikizamini cya Hydrostatike ibyuma bidafite ibyuma bikozwe ptfe hose Imashini yo kuboha ibyuma bidafite ingese ptfe hose (Ptfe hose workshop Amahugurwa yumusaruro Ptfe yoroheje ikarishye Ptfe tube Iyerekana rya ptfe ibyuma bidafite ingese