specific branch increase / reduce sand deposition
conservation is improvement. cost_cutting is decrease. wafer_depositions_unit_operation is not wafer_deposition. sand_mitigation is trying_to_prevent. deposition_process is physical_state_change_event. reduction is reduce. reduction is not reduce. sand_mitigation is not trying_to_prevent. wafer_depositions_unit_operation is wafer_deposition. pollution_abatement is decrease.