But the dolphin has a bottle-shaped nose and cone-shaped teeth while the porpoise has a flat nose and chisel-shaped teeth.

但是“dolphin”有长圆形的鼻子和锥形的牙齿，而“porpoise”的鼻子却是扁平形，牙齿是凿形的。

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This would include a crosscut saw, ax, sledgehammer, chisel, file to ensure the saw is kept sharp, and crosscut saw repair kit to fix teeth on the blade.

这包括了一把横切锯子，斧子，大锤，凿子，锉刀，得保证锯子锋利，并要用横切锯子维修工具修正锯叶。

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Once that was done, he set to the real work: with hand drills, handsaws (their teeth rubbed, to run more smoothly, with a candle end), his bevelled-edge chisel and his wide, heavy, trusty Number 7 plane, which he used for everything.

ECONOMIST: Alan Peters