After the substrate preparatory stage for the different substrates, the substrates are packed into a home- made sterilizer which can be made from an open drum with a platform with holes
Pambuyo pa gawo lokonza malo olimira bowa, malo olimira bowa amasanjidwa pamalo ophera tizilombo ndi matenda omwe angathe kupangidwa kuchokera ku mgolo wopanda zotsekera wokhala ndi poyimitsira pamabowo