On the preparation of a strange thing
There is a thing today, named "2-Fluoro-4-Iodoaniline", which is heavy on all workers, and the method of making it is quite complicated.

Prepare all materials first, and the essence must be pure. Find a purifying kettle, take all the agents in an appropriate amount, and put them into the kettle in sequence. There are herbal stones, which need to be finely ground like powder, so that they can be quickly melted into other things. Then use a slight heat to warm it, add stirring from time to time, and do not overheat the part. The things in the kettle gradually boil, the water vapor evaporates, observe its color, observe its state, and adjust the size of the fire according to the situation.

In the meantime, the guardian should not leave, for fear of mistakes. Wait until the contents of the kettle are of a specific color and state, such as clear liquid and slightly shiny, to stop the fire. Move the kettle to a cool place, let it cool slowly, and then filter it with a cloth to remove its dross and obtain clear liquid.

Then put the clear liquid into another vessel, and use various techniques to analyze its essence and remove its impurities. After several twists and turns, "2 - Fluoro - 4 - Iodoaniline" was formed, with pure color and quality, and can be used for other purposes. All workers are working hard to make this thing, so that the quality is high, so as to meet the needs of the world.