What to prepare before using greenhouses

In daily life, whether it is agricultural machinery operators or farm machinery maintenance personnel, it is often the case that agricultural machinery parts are cracked and difficult to find. How to check cracked agricultural machinery parts? The author will now introduce the method of ingeniously checking the cracks of agricultural machinery parts as follows: Agricultural machinery hand or agricultural machinery maintenance personnel can place the agricultural machinery parts with cracks into the kerosene, wait until the parts are soaked for 30 minutes, first remove it and dry the surface, and then Put a chalk powder on the surface. Over time, the cracks in the agricultural machinery parts will turn black.

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