Which risk increased during the Song Dynasty with improvements to repeating crossbows?

💡 Explanation

Faster firing rates in Song crossbows caused elevated Frictional Wear, where moving parts abraded due to increased use, because components were cast from iron. Therefore iron triggers were prone to breaking, rather than fiber strain causing rope failure.

• Which mechanism limited the maximum span of medieval timber-framed buildings before the advent of iron connectors?
• Which outcome occurred when meteoric iron was first forged in antiquity without controlled carbon content?
• Which risk increases significantly when historical dry stone retaining walls experience freeze-thaw conditions?
• Which risk increased during early maize cultivation due to selective breeding?
• Which consequence occurs when ancient nixtamalization becomes incomplete?
• Which outcome accelerated the Song Dynasty's military advancement due to improved gunpowder?