True Stories

Removing a nut that has corroded to the point where its corners are gone cannot be tackled using ordinary hand tools, literally. Normally, we use a powerful "flame" generated from a mixture of acetylene and oxygen gases. Apply the blue-white burner, which emits a pleasant sound, until the target becomes red-hot, While it's still red, bite into it with a … [Read more...] about Methods for removing excessively rusted corroded nuts, and the wonders of the brain accidentally noticed due to visual abnormalities

Currently, many vehicles use Super Long Life Coolant (hereafter, Super LLC) as engine coolant. Similar to the previous Long Life Coolant (hereafter LLC), the main component is ethylene glycol, a polyhydric alcohol (ethylene glycol is a divalent alcohol because it has two hydroxyl groups in the molecule). While conventional LLC required replacement every 2 years, Super LLC … [Read more...] about What happens when you cool long-unchanged coolant? – An experiment with Super LLC past its replacement period –

"The tire came off and I was unable to run while driving at high speed." I was sweaty after hearing the call. The customer says that the wheel nut remains attached and the shaft seems to have broken at the root. Fortunately, it was a single accident that did not involve other cars. Although it stopped safely, He said that the flame was rising in the … [Read more...] about Just before Vehicle Fire on Highway Road!　- Failure due to overloading –