Ana kuma kiran bututun ƙarfe mai sassauƙa na ƙarfe, muhimmin sassan haɗin gwiwa ne a cikin aikin, ta hanyar haɗa bututu mai sassauƙa na corrugated, hannun riga da haɗin gwiwa. Ana amfani da haɗin ƙarfe mai sassauƙa a matsayin abubuwan ramawa, abubuwan rufewa, abubuwan haɗawa, da abubuwan shaye-shaye masu ƙarfi a cikin tsarin bututun ruwa da iskar gas daban-daban inda ake buƙatar tsawon, zafin jiki, matsayi da tsarin diyya na kusurwa. Rage damuwa a haɗin bututu zuwa kayan aiki masu sassauƙa kamar famfo da matsewa. Masu haɗin famfo suna da ikon shan haɓakar zafi, rashin daidaiton bututu, girgiza da hayaniya, masu haɗin famfo suna ba da tsawon rai ga duk kayan aiki masu juyawa.

Injiniyoyinmu za su iya ƙididdigewa da tsara hanyoyin haɗin faɗaɗawa don dacewa da takamaiman aikace-aikacen. Ana samun nau'ikan iri-iri daga hannun jari kuma ana iya ƙera nau'ikan na musamman nan take.

Cibiyar sadarwa mai faɗi ta abokan hulɗar rarrabawa a ƙasashe da yawa a faɗin duniya tana ba da cikakken shawarwari da tallafi a wurin.