- work with chemicals, cf. Chapter 3; - hot work, cf. Chapter 5; - exposure to mutagenic agents, cf. Chapter 7; - work with work equipment that requires special caution, cf. Chapter 10; - work involving a risk of exposure to harmful noise or mechanical vibrations, cf. Chapter 14; - work involving a risk of exposure to artificial optical radiation, cf. Chapter 16; - work involving a risk of exposure to electromagnetic fields, cf. Chapter 16 A; - excavation work, cf. Chapter 21; - safety signage and signalling, cf. Chapter 22; - ergonomically strenuous work, cf. Chapter 23; - work that may entail a risk of exposure to violence and threats of violence, cf. Chapter 23A.