1, Ol i ken yusim jeneral epoksi resin, asid-pruf morta, simen-pruf simen, paving pes i ken yusim bihainim ol prodak instraksen bilong kampani antap long wokim;
2, Wantaim oksalik asit bilong klinim pes bilong simen, asit-bes neutralisasen;
3, ol brik bilong Indastrial porselin asid i no inap bagarap, namel long bikpela bilong 8--10mm, namel long dip bilong simen na tiknes bilong brik Sianpin i gutpela long stopim lik;
4, Bihain long ol i yusim oksalik asit long painim ples, bilong helpim moa strong.
