Li-brashi tse hlabang tsa letlalo la daemane li sebelisoa haholo mochining o ntseng o tsoela pele o benyang bakeng sa ho bentša quartz ea samente ea maiketsetso, phello ea ho qetela ke ho qeta letlalo.
Lithapo tsa silicon li entsoe ka 25-28% ea lijo-thollo tse ntšo kapa tse tala tsa silicon carbide le nylon PA610, ebe li bokella lithapo holim'a hlooho ea borashe ea Fickert li sebelisa sekhomaretsi se matla, kahoo borashe bo ka sebelisoa ho hlooho e benyang e boletsoeng mochining o benyang o ikemetseng.
Hlooho ea borashe ea polasetiki e entsoe ka moeli o moepa ho qoba ho pshatla bokaholimo ba lejoe ha borashe bo fihla qetellong ea nako ea bophelo ba bona, ho sireletsa li-slabs ho tsoa mengopeng le ho senyeha.