Upon hearing Tang Mo's counter-question, a smile appeared on Mathews' face. He was very confident in his expertise and began with a laugh, "I think, maybe it's just me? Hahaha! Did I guess right? What an interesting little fellow."
"Close enough. Anything else to add?" Tang Mo did not conceal anything and nodded in acknowledgment of Mathews' guess. He too was curious to see how far Mathews could get relying solely on experience.
Mathews continued, "The idea of using metal cartridge cases isn't unique to you."
He glanced at Tang Mo, and upon seeing a hint of surprise in the other's eyes, he continued with a smile, "Don't underestimate the craftsmen of this world; they are much stronger than you think. They are very creative and haven't confined their own thinking."
