| 摘要 |
PROBLEM TO BE SOLVED: To improve the recycle rate of industrial wastes. SOLUTION: Pieces of information of disposal traders 3 for collection, sorting, conveyance, etc., are collectively disclosed on a network 11, and a discharger 2 closes a negotiation by using the disclosed information and establishes the disposal style of a frame material for a concrete mold to enable profitable disposal using the concrete mold frame material, thereby improving the recycling rate of the concrete mold frame material. |
