Technology & Equipment
Absolutely new radiator was awry scratched.
The small hole of about 0.5 mm in size occurred.
Press hole edges slightly and spray powder K-20-11 to the defect.
Build up metal until all the defect spot become smooth.
Cut metal excess now and make certain of reach-through hole absence.
One has to spray some amount of metal for reliability and neat view.
The radiator may be installed now.