Qulqulkan waa lagu adkaan karaa daaweynta kuleylka. Warshadaha arjiga ee arjiga Dufanka Dupx Steel waa qalin Waxaa loo isticmaalaa shirkadaha qodista shidaalka ee ka baxsan xeebaha, qulqulka diyaaradaha, jiilka korantada, ka shaqeynta gaaska, biibiileyaasha khaaska ah, qalabka korantada ee shidaalka, qalabka dawooyinka, kuleylka kuleylka, iyo qalabka badda. Duflex Steel Steel Flanda ayaa lagu heli karaa naqshado noocyo kala duwan ah sida gacmo-gashi, butt weld, indha la ', indha la', shribed, zontard gront iyo godka wadajirka ah.