"This," he said, holding it up, "is Density."
Eira blinked. "High... what?"
He struck the steel pickaxe head. It dented. He struck the HDTC head. The hammer bounced off with a sharp ring like a bell. The HDTC didn't have a scratch. what is hdtc quality
"How many swings?" Torvin asked.
"But why so heavy?" she asked.
"HDTC has . The particles are packed so tight there are no gaps. No air. No weakness. It doesn't flex—it transfers force. Hardness ? Near diamond. Wear resistance ? One HDTC head will outlast fifty steel heads."
He handed it to her fully.
He nodded. "Now you understand ." The Lesson (What HDTC Quality Means in Real Life):