用捞砂绳下入油井的油管中以刮去油管壁上的结蜡所用的装置。
A device used on a sand line in the tubing of an oil well to scrape the wax off the tubing.
铁观音的制作工艺十分复杂，制成的茶叶条索紧结，色泽乌润砂绿。
The processing flow of Tieh Kuan Yin is very complex, the production is tightly, black and sand green.
按溪铁观音，茶条卷曲，肥壮圆结，沉重匀整，色泽砂绿，整体形状似蜻蜓头、螺旋体、青蛙腿。
Tie Guanyin, a variety of oolong tea: Tea bar curly, fat circle knot, heavy even, colour and lustre arenaceous green, the overall shape like dragonfly head, leptospirosis, frogs legs.
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