PANNEXT ingantaccen masana'anta nena samar da kayan aikin bututu tare da takardar shaidar UL & FM
Ana amfani da simintin simintin ƙarfe 90° gwiwar hannu don haɗa bututu guda biyu ta hanyar haɗin zaren, don haka don sa bututun ya juya digiri 90 don canza yanayin kwararar ruwa.
Ƙarfin simintin gyare-gyare daidai gwargwado yana da siffar T don samun sunansa.Gidan reshe yana da girman daidai da babban tashar, kuma ana amfani dashi don ƙirƙirar bututun reshe zuwa 90 digiri.