Akwai nau'ikan wutsiya masu hawan igiyar ruwa.Daban-daban sigogi kamar nisa, tsayi da yanki za su kawo gyare-gyare daban-daban da tasiri a kan igiyar ruwa.Masu hawan igiyar ruwa suna buƙatar zaɓar fin wutsiya mai dacewa bisa ga dalilai daban-daban.
1. Faɗin ƙasa (tushe)
Yana nufin ɓangaren fin caudal wanda ke sanyawa cikin katakon igiyar ruwa, wanda aka sani da kasan fin caudal.Tsawon tsayin ƙasa, ana iya samar da mafi kyawun haɓakawa da ƙarfi, kuma mafi kyawun aikin ƙasa shine.
2. Tsawo
Tsayi, wanda kuma ake kira zurfin, yana nufin zurfin fin wutsiya bayan ya shiga cikin ruwa.Mafi girman tsayin fin caudal, mafi girman ƙarfin hulɗa tare da ruwan teku, mafi kwanciyar hankali farantin;in ba haka ba, mafi wahalar sarrafawa, mafi girman hankali.
ps: Dogayen ronin yana buƙatar zaɓar fin caudal tare da zurfin zurfi.
3. Yanki: Girman yanki = girman wurin da ke hulɗa da ruwa, mafi yawan kwanciyar hankali lokacin juyawa.
4. Sweep: yana nufin matakin karkatar da gefen waje na caudal fin, wanda ke shafar saurin tuƙi na igiyar ruwa.Mafi girman baka, ƙarfin tuƙi yana da ƙarfi.

5. Siffa: Fadi daban-daban, tsayi, wurare, da radians za su canza siffar caudal fin, wanda zai sa fin caudal ya ɗauki siffofi hudu a hankali.Masu zanen kaya sun tsara nau'i hudu na wutsiya don inganta saurin gudu, kwanciyar hankali da kuma canza tsarin gudana.Ƙarfin daga kwararar ruwa a fadin saman wutsiyar wutsiya yana rinjayar aikin hawan igiyar ruwa.