Abubuwan da ake buƙatar kulawa yayin duba ƙarfin rivet goro:

1. Yayin gwajin, saurin motsi na chuck bai kamata ya wuce 3 mm / min ba.A lokacin gwajin, idan madaidaicin zaren ya lalace, an soke gwajin.

2. A lokacin da ake yin dunƙule goro a cikin madaidaicin zaren, idan madaidaicin zaren ya lalace, gwajin ba shi da inganci.