Pankhani ya kutetezedwa ku mphepo, ndi zinthu zochepa chabe zimene zakhala zikugwira ntchito mpaka kalekale ngati ambulera yotsika.Pokhala ndi mphamvu yotitchinjiriza ku mvula, chipale chofewa, ndi kuwala kwa dzuwa, ambulera yakhala chida chofunikira kwambiri pamoyo wathu watsiku ndi tsiku.Koma kodi munayamba mwadzifunsapo za sayansi yaukadaulo wa maambulera?Kodi n'chiyani chimachititsa kuti tizikhala ouma kapena kutipatsa mthunzi padzuwa?Tiyeni tilowe m'dziko losangalatsa la sayansi yamaambulera ndikuwulula zinsinsi zomwe zili kumbuyo kwachitetezo chake.
Ntchito yaikulu ya ambulera ndiyo kupereka chotchinga chakuthupi pakati pathu ndi zinthu.Kaya ndi madontho a mvula kapena kuwala kwa dzuwa, ambulera imagwira ntchito ngati chishango, kuwalepheretsa kufika pa matupi athu.Kupanga ambulera n'kosavuta mwachinyengo koma kothandiza kwambiri.Zimapangidwa ndi denga, chothandizira, ndi chogwirira.Denga, lomwe nthawi zambiri limapangidwa ndi nsalu zopanda madzi, limakhala ngati gawo lalikulu loteteza.
Kutha kwa ambulera kuthamangitsa madzi kumachitika chifukwa cha zinthu zosiyanasiyana.Choyamba, nsalu zomwe zimagwiritsidwa ntchito padenga zimayikidwa ndi zokutira zosagwira madzi, monga polyurethane kapena Teflon, zomwe zimapanga chotchinga chomwe chimalepheretsa madzi kulowa.Kuphatikiza apo, nsaluyo imalukidwa mwamphamvu kuti ichepetse mipata pakati pa ulusi, kupititsa patsogolo kuthamangitsa madzi.Madontho a mvula akagwera padengapo, amagudubuzika m’malo moti adutse, n’kumatipangitsa kuti tiwume pansi.
Mapangidwe othandizira ambulera amapangidwa kuti apereke bata ndi mphamvu.Maambulera ambiri amagwiritsa ntchito nthiti zosinthika zopangidwa kuchokera ku zinthu monga fiberglass kapena zitsulo.Nthitizi zimamangiriridwa pamtengo wapakati, womwe umayambira pa chogwirira mpaka pamwamba pa denga.Nthitizo zimapangidwira kuti zizitha kusinthasintha ndi kugawa mphamvu ya mphepo kapena zovuta zina zakunja, kuteteza ambulera kuti isagwe kapena kutembenukira mkati.
Nthawi yotumiza: Jul-07-2023