我矿广大职工在生产中坚持收旧利废,从1972年到1980年9月,八年多来共节约坑木、板料3538.5米~3。近几年,采掘总量从年采50多万吨上升为60多万吨,作业量增加20％,但木材消耗总量却逐年降低。节约木材的措施是:一、坚持回收使用旧坑木。做到每当采场采完,放完矿后及时拆除 I mine a large number of workers in the production adhere to the collection of old and new waste, from 1972 to September 1980, more than eight years to save pit, sheet 3538.5 m ~ 3. In recent years, the total amount of extractives has risen from more than 500,000 tons to more than 600,000 tons and the workload has increased by 20%. But the total consumption of wood has been decreasing year by year. Measures to save wood are: First, insist on recycling old pit. When mining done every stope, put demolition promptly after demolition