Iziqu zebhizinisi
I-D&F izibophezele ekuthuthukiseni nasekuthuthukiseni ukusebenza okuphezulu kwezinto zokufakwa kukagesi namabha amabhasi ane-laminated, Sikholelwa ngokuqinile ukuthi ukuqanjwa kabusha kwezobuchwepheshe kungamandla aqhuba intuthuko yesikhathi esizayo, kukhuphula njalo ukutshalwa kwezimali ku-R&D, futhi sizuze imiphumela eminingi emisha. Njengamanje, kutholwe amalungelo obunikazi angaphezu kwama-30.