Though printmaking revealed an entirely new artistic realm to him, copperplate etching required prolonged exposure to noxious chemicals, which over time can cause different levels of chronic injury to the lungs, respiratory system, and the skin.
學習版畫，雖然為廖修平的藝術創作開啟了另一扇窗，但銅版畫需大量接觸多種化學藥劑，長年下來，肺部、呼吸系統與皮膚都受到了程度不一的傷害。