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  • 2. Eliminate the caked zinc residue at the zinc liquid surface

  • When the ground is undulating, the installation method of barbed rope also needs to be changed accordingly, because the installation of the original installation method will not play a protective effect.

  • When pickling, we should pay great attention to the acid has a strong corrosion, so when adding acid, we must pour acid into water, and it is along the wall of the cylinder, not a splash down, so as not to cause splash. Remember the order of pouring acid, acid into water rather than water into acid, water into acid will cause splashing and boiling, when pouring acid must wear protective glasses, must ensure that there are no non-professional onlookers, so as not to cause some risk of splashing acid.

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