this uses science to solve practical problems
technology
objects you need to do your job
equipment
people who do a job for free
volunteers
a dangerous situation that needs immediate action
emergency
a period of hours of work, in a place such as a factory or a hospital
shift
What is this?
fire hydrant
things you have to do as part of your job
duties
looking at something carefully, checking, for example, that it is working properly
inspect
normal
typical