Ndili ndi zaka zambiri zopanga zida zamankhwala zogulitsa , mankhwala omwe amatha kugulitsa zamankhwala . zida amatha kugwiritsa ntchito zida zambiri, ngati mukufuna, pezani ntchito yathu panthawi yake yogulitsa zida zamankhwala . Kuphatikiza pa mndandanda wazogulitsa pansipa, mutha kusinthanso zogulitsa zanu zazachipatala malinga ndi zosowa zanu zapadera.