The machine that made up this batch was used to spray the sulfate, a salt of sulfuric acid. In particular, the sulphate of copper I or sulfate, cuprous helps the crops and is a bacteriostatic water pool; cupric sulfate is an algaecide, used in the treatment of water, fertilizers, pesticides, preservatives of wood etc, Also, the sulphate of copper used to be sprayed on the vines to protect them from certain diseases.
This type of parts, made to fulfill their function, they usually appear in a state of preservation, it is not too good. This is another reason why the present lot stands out.
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