Countersunk rivet flange waa xagal.Godad Countersunk waxay u baahan yihiin in la qodo marka la rakibayo.Waxay u qaybsantaa lowska countersunk-ga weyn iyo lowska rivet-ka ee yar yar.
Garaashka lowska fidsan ee madaxa ayaa wareegsan.
Waqtiga boostada: Oct-13-2021