However, with this method it may not be possible to correct for the unflatness within the projection area, i.e. the area which isprojected at one time by a patterned radiation beam.
Nobe kunjalo, lelikhono lelibabatekako,lekukwati kunyakata libonakala umnftwana angakatalwa asesekulendzawo lapho kungekho emandla emhlaba ladvonselana phansi esikhwameni se-amniyoni lesigcwele emantana.