Notes on lead vinegar strips
I have tasted the wondrous use of lead vinegar strips, which is of great use in the detection of things. Lead vinegar strips, made of lead vinegar on paper. Looking at its quality, thin and tough, the color or yellowish, the smell is slightly light.

Whenever useful, place it next to the object you want to test. If it encounters sulfur, the paper will change, and the color will turn black, like ink. This change is also a sign of sulfur in the bright object. Because of the phase of sulfur and lead vinegar, this change occurs, like a miraculous technique.

When using, be careful. Put the note in a clean place to avoid dust and moisture. Take it lightly when using it, and do not touch sundries, so as not to make mistakes.

Although this note is small, it is of great help to the way of recognizing things. The inspection of mineral deposits and the inspection of gas are all dependent on this. If a craftsman obtains a good weapon, it can be used as a guide in all things. It is a good product to understand the nature of things and know what they contain.