- the use and handling of chemicals, cf. Chapter 3; - hot work, cf. Chapter 5; - the risk of exposure to biological agents, cf. Chapter 6; - exposure to mutagenic agents, cf. Chapter 7; - exposure to noise and mechanical vibrations, cf. Chapter 14; - exposure to artificial optical radiation, cf. Chapter 16; - exposure to an electromagnetic field, cf. Chapter 16 A; - the performance of work at height; cf. Chapter 17; - the performance of excavation work, cf. Chapter 21; - manual work that can entail a risk of harmful strain, cf. Chapter 23; - work that may entail a risk of exposure to violence and threats of violence, cf. Chapter 23A; - work under water or under increased ambient pressure, cf. Chapter 26; - the risk of avalanches, cf. Chapter 30.