What is a crucial safety precaution that gunsmiths need to take before working on a firearm? What is a crucial safety precaution that gunsmiths need to take before working on a firearm? Neglecting the organization of work surfaces for a more flexible and dynamic workspace. Allowing live ammunition and propellants to be present on the work surface. Keeping the work area free from live ammunition. Ensuring there are flammables nearby for quick access in case of emergencies