应该说是石器，你看，有石斧、石锄、石铲等等。
They are all stone tools on display, such as stone axes, stone hoes and stone spades.
用着一把“汤纳u –15 ”刮锄器。 一定要刮到齿石粒的下面， 然后往上刮。
Use a Towner U-15 scaler here. Be sure to reach under the particle of calculus and scrape upward.
他是在锄着枯地的农夫那里，在敲石的造路工人那里。
He is there where the tiller is tilling the hard ground and where the pathmaker is breaking stones.
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