Currently in production areas, narrow machines work seemed necessary to accelerate the excavation waste to be leveled down, keep up with the level of production areas and production area.
Current production in the narrow space makes the machine work harder to dig up the garbage out to adjust to keep up with the expanding production areas and production areas.
The current production area in narrow working hard to accelerate make machine digging garbage out to level down to catch up with the level of production area and expand the production area.