Omuze guno ogw’omugaso ye nkola erongooseddwa ey’emirundi ebiri-Layer grate vertical positive combustion pressureless boiler. Buli grate plate erina convex arc-ensengekera y’okungulu ekola era ekolebwa okuyita mu kikondo ekinywevu; Eriko ekisenge ky’ebisenge ebitambula nga bya nneekulungirivu ebiyinza okutambulira ku kisenge kya payipu y’amazzi, wamu n’omwalo ogw’okuliisa amanda ogw’okuteeka ebisenge ebisobola okutambula ku kisenge kya payipu y’amazzi n’omwalo ogw’okwoza slag okuggyawo ebisenge ebitambuza.
