1, general epoxy resin, acid-proof mortar, acid-proof semɛnte, paving paste betumi adi dwuma sɛnea atifi hɔ nea ɔyɛe no nneɛma ho akwankyerɛ a ɛfa adansi ho kyerɛ no;
2, a oxalic acid ka ho de tew kɔnkrit no ani, acid-base neutralization;
3, mfiridwuma mu porcelain a ɛko tia birikisi, a ɛda bɛyɛ 8--10mm ntam, wɔ seam bun ne birikisi a ɛyɛ den ntam Sianpin a ɛyɛ papa sɛ ɛbɛma nsu a ɛretu no asiw;
4, bere a wɔatrɛw oxalic acid scouring surface no mu akyi no, aboa kɛse.
