Astaamaha saxan bir ah oo firfircoon ayaa ah adkaansho sare iyo iska caabbinta heerkulka sare, halka astaamaha loo yaqaan 'place spel' ay yihiin kuwo aad u hooseeya iyo ad adag oo adag} {}}
Saxanka firfircoon ee loo yaqaan 'steel bir bir' ayaa la sameeyay iyada oo la tuurayo bir bir ah oo kabo kareem ah ka dibna ku ridayaan buul bir ah ka dib ka dib markii laga saaro taarikada qalooca ee caadiga ah ka dibna, taarikada firfircoonaanta, taarikada firfircoon, taarikada wareega, iyo ordinary active plates are suitable for boilers ranging from 2 to 20 tons. Large active plates and large round head active plates are generally suitable for boilers over 20 tons. Small active grate plates and active chain links are generally suitable for slag removal machines
