近来我们工人在搬运“沥青”或建筑公路当中与“沥青”接触,发现皮肤或身体内部沾病情况,因而就引起“沥青”是否有毒问题。此问题值得吾人注意,因“沥青”之为物,应用甚广,不独公路建筑,而且屋顶油耗制备等,均需要之。惟病如何得来?其经过如何?病态如何?报告似不完备。而尤关于“沥青”之来源为何?病由何毒素所致?报告更略而不详,因由沥青之来源,可以推知所含可能的物质,从而推测其由 Recently, when our workers were handling “asphalt” or “highways” from the highways, they found that there was any skin or internal sticking, which caused “asphalt” toxicity. This problem deserves our attention. It is necessary because asphalt is an object, widely used, and not only road construction but also roof fuel consumption preparation. But how is the disease coming? How is it going? What is the pathology? The report seems incomplete. And what is the source of “bitumen”? What is the cause of the disease? The report is a little more clueless because of the origin of bitumen,