《天工开物·中篇·膏液》
技术熟练的人能够做到快倒、快裹、快箍，得油多的诀窍就全在这里。有的榨工从小做到老还不明白这个诀窍呢。
能者疾倾，疾裹而疾箍之，得油之多，诀由于此，榨工有自少至老而不知者。
Skilled people can do quick pouring, quick wrapping, and quick hooping, and the trick to getting more oil is here. Some榨工榨工 don't understand this trick from childhood to old age.