Ziribe kanthu momwe ubwino wa zinthu zophikidwa bwino uliri wabwino, simungathe kuyerekezera mabango omwe ali nawo ndi chirichonse! Ophika ophika a zapamwamba asanayambe kupanga kuphika zakudya, ayenera kupukutira zinthu zopanda pake (ufa, shuga wofiira, kakale) kupyolera mu ufa wa ufa. Zomwe zimagwiritsidwa ntchito sizimangotsukidwa ndi zinyalala monga tizilombo ndi tizilombo, koma zimakhalanso zofanana, zimadzaza ndi mpweya ndipo zimayesedwa molondola. Sieve yopeta ufa imakulolani kuti mupange mtanda wobiriwira, mozizwitsa wofewa. Sizinali zopanda kanthu kuti m'masiku akale a mkate, ophika ufa wofiira, ankatchedwa "sieve" ndipo anali okwera mtengo kuposa mkate wa "furry", wopangidwa ndi ufa wokwanira.
Sieves amasiyana m'mimba mwake ndi kukula kwake kwa maselo: ang'onoang'ono selo, mosamala kwambiri kuti mankhwalawa ndi ochepa. Komanso sieves zamakono zamakono zimasiyanasiyana mukumanga ndi zinthu zomwe apanga.
Wood Sieve
Mthunzi wa mtengo wa ufa ndi chiwiya chakhitchini. Sieves yoyamba inali mtengo wamatabwa wokhala ndi grid ya kawirikawiri kavalo, nthawi zambiri ankatchedwa "sieve" ku Russia. Pang'onopang'ono galasilo linalowetsedwa ndi chitsulo chosungunuka kuchokera ku waya woonda kwambiri, ndipo pogwiritsa ntchito zipangizo zopangidwa ndi matope, ulusi wa nylon unayamba kugwiritsidwa ntchito. Chimakecho chimapangidwa ndi pulasitiki kapena zitsulo. Ngakhale amayi ena tsopano akukonda sieves zamatabwa, akukhulupirira kuti ziwiya zoterozo ndizochezeka kwambiri.
Metal sieve
Zitsulo zamakono zamakono zopangira ufa zimapangidwa ndi zitsulo zosapanga dzimbiri. Kuti zikhale zosavuta, chipangizochi nthawi zambiri chimakhala ndi chogwiritsira ntchito chimodzi (ngati chithunzithunzi) kapena zipangizo ziwiri zopangidwa ndi pulasitiki kapena pulasitiki. Msuzi wachitsulo ukhoza kusambitsidwa mosamala mu besamba.
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Sieve-mug
Ndizovuta kwambiri ndi kuthandizidwa ndi mthunzi wa sieve kuti ufa udzipulumuke mwachindunji mu mbale yophika. Chitsimikizo cha mankhwalawa chili ndi mapangidwe apadera mwa mawonekedwe awiri a lekisi. Chifukwa cha kusinthasintha kwaulere kwa phulusa la pansi, ufa umapita mofulumira kupyolera mu maselo, chifukwa masamba amathyola zitsulo, ndipo zonyansa zonse zakunja zimakhalabe mu ukonde. Njira yoyendetsera ntchitoyi ikugwiritsidwa ntchito pa sieve. Mukasindikizira fungulo, mapuloteni a zitsulo, tsambalo limasunthira muyezo wopangira ufa, ndipo mankhwalawo sievedwe. Chipangizochi chimakhala ndi zipilala ziwiri, zomwe zimatsimikizira kuti zimakhala zolimba, ndipo zimakhala ndi zoyezera.
Kufanana sieving sikumangotulutsa ufa wokha kuphika, koma kumapanganso ufa wa nyama kapena nsomba, komanso kugawira ufa wochokera ku ufa wa shuga kapena kakao pamwamba pa zopereka , ma rolls, mikate ndi zinthu zina zamabotolo.
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