Mapulogalamu:
Chozizira chanyama chanyama chimapangidwa kuti chiziziziritsa chakudya chokulirapo chokulirapo, chotupa komanso ma pellets odyetsa muchomera. Kupyolera mu chozizira cha pendulum counter flow, ma pellets odyetsa amachepetsedwa kutentha ndi chinyezi kuti akonzenso.