Mipiringidzo ya konkire imagwira ntchito yofunika kwambiri pantchito yomanga, yomwe imakhala yofunika kwambiri pomanga nyumba, makoma, ndi misewu. Pamene kufunikira kwa midadada ya konkire kumakwera, kufunikira kwa makina opangira midadada ogwira ntchito komanso osinthika. Th
Palinso mitundu yambiri ya makina a njerwa pamsika, pakati pawo pali makina a njerwa otchedwa konkire block machine. Koma kodi mukudziwa zozindikiritsa makina oyika njerwa? Kodi mukudziwa zomwe zilembo za nambala ya njerwa zimayimira?
Zida zamakina a block zimakhala ndi kuthekera kwakukulu ku China. Kupambana kokhala Wopanga Makina Opangira Block kumadalira kukhwima kwaukadaulo, mtundu wa zida zamakina a block, kupambana kwa ogwira ntchito, komanso kutsata nzeru.