UNSCREWABLE TO SCREWABLE
I used first time in rusted parts as my accelerator wire was broken and the nut was not opening so he was trying to break the system and what i did is used my WD-40 and left for 1 min and the screw opened up.
Also I have used in the engine parts where there was accumulated of mud due to oil and I have wd-40 in my car and when the car was in the height i tried the wd-40 for nut and found out that the mud was there due to oil and it came out easily .
Step 1: Knowledge
It can be used in screw to be screw the rusted screw .
Step 2: Problem identify
Where to use and what to solve
Step 3: Sprayed
I sprayed the part on the basis of process