elaborate, access more senses and increase the learning factor. They mix audio messages and visual cues with hands-on interaction. Examples of these include mobile trailer safety houses and tabletop hazard house simulators. Some fire prevention software is also being developed to identify hazards in a home. All programs tend to mix messages of general injury prevention, safety, fire prevention, and escape in case of fire. In most cases the fire department representative is regarded as the expert and is expected to present information in a manner that is appropriate for each age group. Fire educator qualifications The US industry standard that outlines the recommended qualifications for fire safety educators is NFPA 1035: Standard for Professional Qualifications for Public Fire and Life Safety Educator, which includes the requirements for Fire and Life Safety Educator Levels I, II, and III; Public Information Officer; and Juvenile Firesetter Intervention Specialist Levels I and II. Target audiences According to the United States Fire Administration, the very young and the elderly are considered to be "at risk" populations. These groups represent approximately 33% of the population. Global perspectives Fire safety has been highlighted in relation to global supply chain management. Sedex, the Supplier Ethical Data Exchange, a collaborative platform for sharing ethical supply chain data, and Verité, Inc., a Massachusetts-based supply chain investigatory NGO, issued a briefing in August 2013 which highlighted the significance of this issue. The briefing referred to several major factory fires, including the 2012 Dhaka garment factory fire in the Tazreen Fashion factory and other examples of fires in Bangladesh, Pakistan and elsewhere, compared the incidence of fire safety issues in a manufacturing context, and highlighted the need for buyers, suppliers and local fire safety enforcement agencies all to take action to improve fire safety within the supply chains for ready-made garments and other products. The briefing recommended that buyers seek greater visibility of fire safety and other risks across the supply chain and identify opportunities to improve standards: "buyers can encourage change through more responsible and consistent practies". Fire safety plan A fire safety plan is required by all North American national, state and provincial fire codes based on building use or occupancy types. Generally, the owner of the building is responsible for the preparation of a fire safety plan. Buildings with elaborate emergency systems may require the assistance of a fire protection consultant. After the plan has been prepared, it