Apa tegese tonjolan paku keling buta sing ora cukup?

Penonjolan sing ora cukup: amarga gaya putus paku keling buta kurang banget, paku keling durung kepasang kanthi lengkap, lan titik putus paku keling buta pedhot, sing nyebabake penonjolan paku keling buta ora cukup. Kedadeyan nalika gagal.

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