Never throw away your spark plug, Smart idea for machining engineering

#lathe #tools #creative Never throw away your plug, Smart ideas for machining engineering This is one of the functions of the spark plug. By utilizing a spark plug material made of very hard ceramic, it can be used to carry out a friction technique to expand the metal.This method is very effective for connecting pipes so they don't come loose Lathe Lathe technique Restoration Mr.sunny Making tools Creative ideas Welding Welding for beginner Welding aluminium DIY Thank you for visiting, don't forget to like and subscribe for support, thank you