A business must provide first aid equipment and ensure each worker has access to it and to facilities for administering first aid, and must have enough trained first aiders among its workers, or give workers access to trained persons,, taking account of the kind of work and its hazards, how big and how remote the workplace is, and who is present.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.