Answer
Idan bangon tsagi ba murabba'i ba ($> 0.5^{\circ}$ ba daidai ba ne), ba za a yi amfani da nauyin motsa $P$ daidai ba. Wannan yana haifar da wani ɓangaren ƙarfi $P \ cdot sin(\theta)$ yana aiki da radially, wanda ke ƙarfafa zoben don faɗaɗa da fita cikin tsagi. A cikin gazawar warware matsalar inda zoben ya bayyana ya 'zame', yakamata a auna ma'aunin tsagi ta amfani da CMM (Coordinate Measuring Machine). Wurin da ba na murabba'i ba yana rage tasiri mai tasiri sosai, sau da yawa da kusan $ 50 \% $, saboda zoben kawai yana hulɗa da 'babban batu' na tsagi, yana haifar da samari na gida da abinci na gaba.