Ingabe ama-rivets ekhanda afakwe e-countersunk adinga imigodi efakwe e-countersunk?

Ngaphambi kokusebenzisa i-rivet evulekile yekhanda elidonswayo elingaphansi kwe-countersunk, kubalulekile ukwenza imbobo engaphansi kwe-countersunk epuletini kuqala, kungenjalo kuzoba lula ukungalingani ngemva kwe-riveting.