Garkuwan Bakin Karfe, Rangarar Rataya
1. Tsarin aiki: Sihiri ko Gyare
2. Abubuwan: SS310S, SS309S, SS304, SS321 da dai sauransu.
Ana amfani da garkuwar bututu a gefen iska mai dumama bututun dumi kamar superheater, reheater, tattalin arziki da bututun bangon ruwa na tukunyar jirgi, sannan kuma a kan bututun da aka zana. Babban aikin shi shine kare saman iska na bututun tukunyar jirgi, rage Garkuwar bututu da haɓaka rayuwar sabis na dumama bututu. YouTube Garkuwa kayan haɗi ne na musamman don tukunyar jirgi, wanda galibi ana amfani dashi a tukunyar tashar wutar lantarki, amma ƙasa da amfani dashi a ƙaramin tukunyar jirgi, kuma ana amfani dashi a cikin wasu masana'antun masana'antar kwal.