運搬

抄録

One of the essential problems of the Japanese coal mining industry is how to elevate its productivity. This is why we have been exerting ourselves to proceed concentration of working places.
places. It goes without saying that the most important way to concentrate working places is to improve transportation services.
This report was intended to show recent development of transportation equipment in and out of Japnanese coal mines. It will also give a forcast what type of development in future.
All the transportation equipment which are refferrel to in this report show the top level techniques of this country.
As a whole, it may be said that the Japanese transportation devices have been taking and will eakea straight way toward larger scale and automation running.