This document discusses health and safety lessons related to classrooms. It explains that a risk assessment identifies potential hazards and risks and how to minimize them. Common classroom hazards include computers, movement, furniture, heating, and fire. A risk assessment lists each hazard, who is at risk, and control measures to reduce risk level. Safe working practices provide instructions for completing tasks safely, as determined by a risk assessment. The document also explains that a location recce involves visiting a site in advance to evaluate suitability for filming by assessing access, power, lighting, sound, permission needs, and potential problems.