Malachi squatted nearby, his eyes gleaming, suddenly grabbing the stick: "Is this groove for firewood?"
"Looks like you're quite smart."
Luna Sutton smiled at him, casually ruffling his messy hair.
Malachi was embarrassed by the compliment, suddenly blushing, just about to speak.
Zeke Veridian squeezed over suddenly, a touch of jealousy flickering in Jade's eyes: "Let's get to business."
She quickly withdrew her hand, lightly coughed, and continued explaining: "The furnace inside should be divided into two layers, the lower for fire, the upper for placing ores and charcoal. Once the temperature reaches a certain level, molten iron will flow from the bottom."
She drew a slanted groove: "The molten iron flows along here into the mold, and when cooled, it becomes iron blocks."
Corbin Crowley's silver eyes glimmered, suddenly grasping the key point: "How do you control the temperature?"
"That's simple."
