Digsi lugu wax karkariyoBuundada tuubbada tuubbada, oo sidoo kale loo yaqaanno lammaane isbadal, wuxuu ka kooban yahay laba qaybood, oo kaliya u guuri kara jiho gaar ah. Waxay leedahay howsha ka haynta tuubada tuubbada fidsan ee platen supen suphen-ka iyo ka hortagga tuubbada inay ka baxdo sadarka oo laga baxo iyo abuurista coke-ka. Labada lamaane ee isbadalka ah guud ahaan waxaa laga sameeyaa zg16cr20c20si14si2.
Block-ka hoostiisa waxaa loo isticmaalaa superheater. Superhaitates kala duwan ayaa adeegsada baloogyo kala duwan oo kala duwan. Baloogyada isbadalka ayaa tixgeliya qodobka qashinka ah ee dadka kuleylka ah. Superheater toosan waxay qaadataa xaraashka 'qaab-dhismeedka'-qaabeeya ' Bloroolka isbadal ee isma huwan midba midka kale, kaas oo garan kara jihada toosan. Si xor ah u gudub. Supheater-ka sabraanta ah wuxuu qaadayaa xargaha m-nooca 'sting'. Miisaanka tuubbada waxaa loo wareejiyaa tuubbada dhamaadka tuubbada hoose ee loo yaqaan 'm-nooca' nooca m-nooca '' Nooca '' 'Nooca' ee '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' M-st '', sidaa darteed tuubbada tuubbada ah, sidaa darteed tuubooyin kasta ayaa ku dhex dhici kara jihada toosan.
Superheaterku waa aalad kululeeya uumi kululeeya uumiga kuleylka leh ee heerkul gaar ah leh. Ka dib markii uumiga sareeya lagu kululeeyo uumi sarre, awoodda shaqada ee uumiga marawaxadaha ayaa la wanaajiyaa, taasi waa, in, in la wado farta indhuhu ee marawaxadu, sidaas awgeed hagaajinta hufnaanta wareegga mashiinka kuleylka. Intaas waxaa sii dheer, adeegsiga uumiga kulul ayaa waliba yareyn kara huurka marawaxadaha wasakhaysan waxayna ka horjoogsaneysaa jahwareerka marawaxa ah in la xalliyo, abuurista xaalado wanaagsan oo lagu sii yaraanayoSteam Puinecadaadis daal iyo hawlgal nabdoon.
Birta sare ee tuubbada ah ee 'Superheater' ayaa leh heerkulka ugu sarreeya ee qaybaha cadaadiska ee kalkaaliyeyaasha, si heerkul sare u adag steelboy steelon oo tayo-sare ah iyo mararka qaarkood loo yaqaan 'chromium molybyeum' Inta lagu gudajiro hawlgalka shiidda, haddii heerkulka uu ka dhalanayo tuubbada xad dhaafka ah xadka heerkulka la ogolaan karo ee xoogga adkeysiga, xoogga dusha sare ee maaddada, shilalka sida tuubbada ay dhici doonaan.