An tsara wannan aikin tsabtatawa don tsabtace bututun tsarin kafin rabuwa. Idan "an gama tsaftacewa" an yi shi bayan gudanar da rabuwa ta ƙarshe, za a iya tsallake wannan matakin. Idan ba a yi ba, an bada shawara don yin wannan matakin tsabtatawa kamar yadda tsarin da aka umurce shi da shi.
Lokaci: Jul-13-222