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Chapter 117 life skill
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Chapter 119 Preparing a group of ten
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... per ingot is hammered into a rough blank. The rough blank is inserted into a rolling mill for forming and finally ground.
The problem cannot occur in the second part, so it is the problem of beating and grinding.
The land stood up and went to the workbench. Five roughs were hammered out with the force as similar as possible. I secretly numbered them in the heart, and then put them one by one into the rolling mill, and came out with five rough wrenches. The grinding wheel is ground. ...
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