1. Indasteri ea likoloi: Li-O-ring tsa NBR li sebelisoa lits'ebetsong tse fapaneng tsa likoloi joalo ka litsamaiso tsa mafura, li-hydraulic system, le braking system.
2. Indasteri ea Aerospace: NBR O-rings e sebelisoa indastering ea lifofane bakeng sa lits'ebetso tse kang lisebelisoa tsa mafura, li-hydraulic systems, le tsamaiso ea moea.
3. Indasteri ea oli le khase: Li-O-ring tsa NBR li sebelisoa haholo indastering ea oli le khase bakeng sa lits'ebetso tse kang liphaephe tse koalang, li-valve le lipompo.