Rafts

Rafts original: 筏 (fa); these were fundamental military vessels often constructed from bamboo or logs to transport troops and equipment across waterways, Treatise on Armament Technology original: 武備志 (Wubei Zhi); compiled by Mao Yuanyi and presented to the throne in 1621, this is the most comprehensive military encyclopedia of the Ming Dynasty, Water Warfare original: 水戰 (shuizhan)