Indasteri ea merafo e kenyeletsang merafo & metallurgy (beneficiation + smelting) e na le litlhoko tse phahameng tsa li-valve tlas'a maemo a boima mekhoeng ea liminerale le ea ho qhibilihisa.Hangata seaplane se na le litšobotsi tsa likaroloana tse kholo, boima bo phahameng, viscosity e phahameng, acid e matla le alkali, joalo-joalo valve e lokela ho ba e sa senyeheng, e thibelang kutu, 'me e sebetsa hantle haholo ha ho khethoa valve.HIVAL® e kenyelletsa li-valve tsa heke ea thipa, li-valve tsa bolo ea tšepe tse lutseng, li-valve tsa serurubele tse habeli/haro, tseo hangata li entsoeng ka tšepe e entsoeng ka tšepe, tšepe ea carbon, tšepe e sa hloekang, joalo-joalo.