Lack of fusion

Lack of penetration

Lack of metal deposit

Uneven bead deposit

Cut out kink wire

Replace of spool

Cut the kink wire and replace spool

Adjusted to kinked wire again

TIG welding

MIG welding

Oxy-acetylene welding

Submerged arc welding

Flux cored electrode

Gas shield flux wire

Used flux core and gas shielded

Flux is external and shielded

Nozzle and torch

Construction of torch and feed rollers

Machine and torch

Feed rolls and gas cylinders