Pamene dziko likuzindikira kwambiri kukhudzidwa kwa chilengedwe ndi ntchito zathu za tsiku ndi tsiku, ndikofunika kuganizira za chilengedwe cha zipangizo ndi makina omwe timagwiritsa ntchito. Makina amodzi otere omwe atchuka m'zaka zaposachedwa ndi makina owumitsira mpweya ...