Yadda za a lissafa adadin wadanda aka yiwa rigakafi da wadanda suka daina yin rigakafi

Completing a Stock Card and Summary Stock Card

Gano hanyoyin magance abubuwan da ke kangr samun dama

Yadda za a nutsa cikin dalilan faruwa na matsalolin isarwa

Yadda ake ganowa tare da fifita matsalolin isar da aikin rigakafi