There could be manifold benefits, such as considerably lower costs, and improved reliability, to replacing them with simple equipment similar to the wooden ox, made of rods and levers.
但是如果以類似木牛流馬的機械取代，第一，成本遠低於電腦，只是一組桿件，第二，可靠性高，不易故障，可說優點多多。