Iyo 90-degree elbow ndeye yakajairwa adapta.Sezvo pombi yechiedza isina curvature, inogona kugadziriswa chete kuburikidza neadapter kuti ichinje nzira uye dhayamita;90-degree elbow ine shinda mbiri dzemukati, mbiri dzekunze dzekunze, uye dzemukati nekunze.Kune marudzi matatu, mushandisi anogona kusarudza kuungana maererano nezvinodiwa zvesaiti.