imayang'anira kufunikira kwamtundu wazinthu, imawona kuti ndi moyo wabizinesi, ndikuwongolera mosamalitsa maulalo osiyanasiyana monga kusankha kwazinthu zopangira, kukonza zida zosinthira, kupanga, makina oyesa msonkhano, kuyang'anira zoperekera, ndi zina zambiri, kuwonetsetsa kuti makina odzaza granule opangidwa ndi okhazikika, otetezeka komanso odalirika.

