1.E sebelisoa ha ho etsoa li-alkaloids, dae, lipente, li-catalysts, li-retardants tsa lelakabe le li-inhibitors tsa tšepe tse se nang tšilafalo tsa tsamaiso ea metsi a pholileng.
2.E ka boela ea sebelisoa bakeng sa moemeli oa polishing oa galvanized le li-reagents tsa lik'hemik'hale.
