%A"NONE" %D1999 %I; New Energy and Industrial Technology Development Organization, Tokyo (Japan) %2 %J[] %K01 COAL, LIGNITE, AND PEAT, COAL MINING, INTERNATIONAL COOPERATION, GEOLOGIC STRUCTURES, COAL DEPOSITS, MANAGEMENT, OPTIMIZATION, MANPOWER, FASTENING, TRAINING, METHANE, COAL SEAMS %PMedium: ED; Size: 297 pages %TFiscal 1998 engineer interexchange project (coal mine technology field). International interexchange project (Workshop in Japan); 1998 nendo gijutsusha koryu jigyo (tanko gijutsu bun'ya). Kokusai koryu jigyo (kokunai workshop) %XThis report summarizes the workshop and technical tour held in Japan for technical interexchange of domestic and overseas engineers. From the information obtained, the higher productivity of coal mines is dependent on selective mining under blessed geological conditions, however, basically establishment of an advanced management technique for inexpensive stable operation. Both preliminary collection of geological information and introduction of advanced facilities even under unstable conditions are necessary. The balance and optimization of the whole system, and an excellent human nature for operation are also essential. Use of roof bolt supports is diffusing as improvement technology of excavation speed and roof control technology over the world. However, for introduction of new technologies, collection of test results and various kinds of training are necessary. Methane gas in coal seams as the main theme of the Hokkaido workshop is a precious unused natural resource, and important for prevention of global warming and coal mine protection measures. Its use is dependent on development of gas drainage technology. (NEDO) %0Technical Report %NJP-NEDO-010013370;TRN: JN9940418 %1 %CJapan %Rhttps://doi.org/ TRN: JN9940418 NEDO %GJapanese