Pakugadzirisa kuenzana kwematayi emutengi, huremu hwemavhiri hunoshandiswa kugadzirisa kusaenzana kupi zvako.Huremu hwevhiri rekurudyi hwakaiswa panzvimbo chaiyo hunobatsira kuve nechokwadi chekuita kwetai.Adhesive vhiri uremu anowanikwa mumhando dzakasiyana siyana.Asi zvinonyanya kuzivikanwa ndeyesimbi yakavharwa, lead, zinc.Yedu yekunamira vhiri huremu shandisa yakakwira mhando tepi ine simba rekugera 150N ye5g inodarika chiyero 40N.