Dakin Gyaran Injin Brick shine muhimmin tsari a cikin masana'antar bulo wanda ke taimakawa haɓaka ƙarfi da ƙarfin tubalin. A cikin dakin jinyar, yanayi kamar zafi, zafin jiki, da samun iska ana sarrafa su daidai don samar da yanayi mafi kyau don aikin warkewa. Wannan tsari na iya ɗaukar kwanaki da yawa ko makonni, dangane da nau'in bulo da yanayin da ake buƙata.Mashin gyaran na'urar bulo yana taka muhimmiyar rawa wajen samar da bulo ta hanyar samar da yanayi mai sarrafawa don magance bulo da kuma tabbatar da ingancin su da dorewa.
An warkar da tubalan rigar ta hanyar tururi ko zazzagewar iska mai zafi a cikin ɗakin, wanda ya dace da sauri, kuma sake zagayowar balagagge yana da ɗan gajeren lokaci, sa'o'i 8-16 don isa ƙarfin da aka shirya don siyarwa.