Muli pano : Kunyumba> Zamgululi > Mndandanda wamankhwala am'manja
Kapangidwe kaukadaulo pakuwunika kwakuthupi fumbi, zinthu zotulutsa ma radio ndi magulu ena oopsa komanso owopsa.
Itha kukhala ndi zida za DR zomwe zili pa board, chipinda chamagetsi cha audiometry, chosonkhanitsira Magazi, ntchito ya m'mapapo, bedi lathunthu loyesera, ndi zina zambiri.

