welding machine wirefeed unit wire gun gas hose wire speed f
       _______welding machine  wire-feed unit  wire  gun  gas hose  wire speed feed control  work cable  shielding gas source  voltage control  wire reel  welding gun cable  power terminal  wok  welding cable wire feed drive rollers  work clamp 
  
  Solution
A - Work
B - Gun
C - Wire
D - Welding cable
E - Wire speed feed control
F - Wire feed unit
G - Gas hose
H - Wire reel
I - Wire feed drive rollers
J - Shielding gas source
K - Voltage control
L - welding machine
M - Power terminal
N - Welding gun cable
O - Work cable
P - Work clamp

