Mbiri yachidule ya odula konkire ndi pliers
| Magwero a odulira mawaya a konkriti ndi pliers atha kutsatiridwa chakumapeto kwa zaka za zana la 19, njira zomangira konkriti zolimba zitangogwiritsidwa ntchito. . | |
| Ngakhale panali nyumba zakale, monga nyumba yoyamba yachitsulo padziko lonse lapansi, Shrewsbury Linen Mill yomwe idamangidwa mu 1797, yomwe idagwiritsa ntchito zitsulo pomanga, ndipo nyumba pambuyo pake zidapangidwa ndi konkriti yolimba, sanagwiritse ntchito zitsulo zopindika, zomangidwa. pamodzi kuti apereke chilimbikitso cha konkire. |
 | Mngelezi Ernest L. Ransom anali woyamba kugwiritsa ntchito njira imeneyi pamene anapanga milatho iwiri ku San Francisco mu 1886. Composite, yomwe imagwiritsa ntchito zitsulo zopotoka, yakhala ikugwiritsidwa ntchito m'nyumba zambiri ndi zomangamanga ndipo mwinamwake imadziwika bwino ndi ntchito yake yomanga. nyumba zazitali. |
 | Chitsulo chachitsulo chikayamba kupindika ndi kumangirizidwa pamodzi monga kulimbikitsa konkriti, zida monga pliers ndi pulawo zodulira kumapeto zinkagwiritsidwa ntchito kupotola ndi kudula waya womwe umagwirizanitsa chingwecho. |
 | Pamene kugwiritsiridwa ntchito kwa konkire yolimbitsa kumawonjezeka ndipo mchitidwe womangira rebar ukuwonjezeka, zidazi zinasinthidwa kuti ntchito yokhotakhota ndi kudula waya ikhale yofulumira komanso yosavuta, kotero odula mawaya ndi odula mawaya anapangidwa. |
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