Litšoaneleho tsa Khoebo

D&F e ikemiselitse ho nts'etsapele le ho ntlafatsa lisebelisoa tse phahameng tsa ts'ebetso ea motlakase le maballo a libese a laminated, Re lumela ka tieo hore boqapi ba thekenoloji ke bona bo susumetsang nts'etsopele ea nako e tlang, ho eketsa matsete ho R&D khafetsa, mme ba fihletse liphetho tse ngata tsa boqapi.Hona joale, litokelo tse fetang 30 li se li fumanoe.