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http://translate.baidu.com is very useful in this case. 变速鼓 (change-speed-drum)

kerosene 煤油 | paint thinner 天拿水/ 香蕉水 | Diesel 柴油 are also very good for chain cleaning.

The "ghetto" DIY = glued into "head" (i.e. outside) BUT chinese road had tons iron ??? (Y1 coin ...)
The "commercial" version (i.e. inside) is FAR better.

The "ghetto" DiY = "AB Glue" Neodymium magnet (钕铁硼磁铁) in plug head

:eekers: Pronunciation from "those" KTV girl are HORRIBLE. They can't sung "深" in TWese song. "心" is correct term in "those" place :lol8:

Most native Souther are brainwashed by HK / TW tv that still reads traditional BUT migrant mechanic are the "majority".
Some TW term above = :bs: if use in mainland. ALMOST completed. :clap:...