Hachi

• This type of tack measure to 6mm to 12mm pernament tacking
• Is a colorless gas acetylene
• Is a unit measuring

  Ampere
• Is a varsitile tool that

  Angle grinder
• It's discounty which by nature

  Defect
• Is a triangular shape

  Fillet weld
• Is a colorless odorless gas

  Oxygen
• Is metal cut in high temperature

  Oxy acetylene cutting
• Temperature before

  Preheating
• Temperature after

  Post heating
• Is point cross in cross section

  Root of weld
• Depth that groove weld

  Root penetration
• Is the best rough for 30 to 40 degrees

  Rough grinding
• Is process of correcting weld

  Rectify weld defect
• Is an arrow symbol

  Tail
• For proper alignment until final

  Tack weld
• Is an irregular that spoils the weld

  Weld defect
• Tack weld done onlyis very short bead

  SEMI PERNAMENT
• Keep both plate aligned

  Bridge
• The choice of electrode

  Correct electrode
• As a rule of length

  Correct arc Length
• Stable uniform

  Speed of travel
• The welder most cosider

  Correct current
• A top quality should be strong

  Properties of the base metal