The employer ventilates every workplace, by natural or mechanical means, so that the atmosphere does not endanger workers under normal conditions, controls contaminants at source with hoods and ducts where practical, provides ventilation to keep vapours, fumes, gases, mists and other impurities within the threshold limit values that Part 11 adopts, maintains and cleans all parts of the ventilation system and keeps openings unobstructed, submits drawings and specifications to an officer on request, provides at least 8.5 cubic metres of air space per worker, meets the natural or mechanical ventilation rates in section 11.7, discharges exhaust so contaminants do not return to any workplace, keeps office relative humidity at 30 percent or more, and heats enclosed workplaces to the minimum temperatures in section 11.10 by nature of work, subject to the exceptions in 11.11.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.