Lambar raga tana nuna cewa ƙarami da ɓangarorin, ƙwayoyin sieve na ƙwayoyin cuta sun zama foda, amma a zahiri su barbashi ne;Karamin lambar raga, ana rage barbashin sieve na kwayoyin halitta, kuma jiuzhou jiuzhou sieve barbashi na kusan 8 * 12 raga suna da girma.
Ma'anar gabaɗaya tana nufin allon a cikin yanki na inci * inci, kayan na iya wucewa ta allon, adadin ramukan allo an bayyana shi azaman raga.
Kamar yadda kuke gani, samfurin zai iya wucewa ta fuskar allo tare da buɗe raga a cikin inci * inci.Ta hanyar kwatanci, ma'aunin raga yana nuna mafi girman girman kayan;ƙarami girman raga yana nuna girman kayan.
Girman sieving shine girman ragar da barbashi zasu iya wucewa ta cikin allon.An bayyana shi azaman adadin raga a allon tare da faɗin inch, don haka ana kiran shi lambar raga.
Siffar kwayar halitta ta al'ada tayi dace da ƙimar da ake tsammani:
4*8 raga = 3-5mm
8*12 raga = 1.6-2.5mm
Dangane da abin da ya shafi raƙuman raƙuman ƙwayoyin ƙwayoyin cuta, ƙayyadaddun ƙayyadaddun madaidaitan sieves a cikin ƙasashe daban-daban sun bambanta.Tsarin Taylor da aka saba amfani da shi yana amfani da adadin ramukan kowane inch azaman lambar sieve, wanda ake kira raga.
Lokacin aikawa: Oktoba-10-2021