[ Problem Point ]
We were in trouble because we couldn’t soften cream solder effectively.
[ ⇒Kaizen Point ]
We have heated the small spot by an extraordinarily small Air Blow Heater and have solved problems.
Related page:
No.3 Cap Seal 
No.12 Dryness of a coater 
No.19 Recovery of resin mold 
No.64 Metal Parts Drying after Washing 
No.70 Heat source of nitrogen shield soldering iron 
No.81 Burr melting of the Bumper 
No.85 Breeze nitrogen heating of powder metal for 3D printer 
No.100 Differential temperature inspection of the heat pipe