140,964 views
My old BTTB locomotives no longer run and definitely need cleaning. The old lubricant has obviously become resinous and needs to be removed and the locomotives re-oiled. If you dismantle your locomotive, an ultrasound device is a good way to clean it. If you don't want to dismantle it completely, the bathtub has its advantages. In any case, I am delighted and would not have believed that it would work so well. You never stop learning. Addendum: The end credits actually say February 22nd, 2020. Sorry, there's another typo. The correct date is of course February 22nd, 2019.