paksude plaatide väikese õhupiluga V-õmblus, kus mõlema detaili servad on väikeste kaldenurkade (2 kuni 20o) all faasitud, a welding technique to weld thick sections more economically using joint preparation with small included angles, typically in the range 2-20o, which require less weld metal and less weld time to fill
