How to remove the rusty screw and nut

The bolts will rust in a period of time, and the process of disassembling will be more difficult.
Tools / materials: open wrench, electric welding machine
Methods / steps
1 choose the right wrench, the right open wrench, or the plum spanner, so disassemble the non skater

2 if the rust is more severe, you can beat the hammer with a hammer and shake the screw.

3 the use of a rust remover, which can be said to be the remover of a rusty screw nut.

4 if the screw is on the steam valve, and when it is very hot, remember to cool it with water, otherwise it is easy to break the screwdriver.

5 if the screw is broken, the welding machine can be used to burn a screw on it, but when it is generally burned, the screws are easier to screw out.

6 pay attention to force, do not use brute force, use skill. The tube can be lengthened, so it will be hard to save.