Answer:
It is a more reliable method of keeping track of time.
Sectionalism is an exaggerated devotion to the interests of a region over people of a country as a whole.
I would go with A it is the first line of defense as it is exposed to the outside world unlike the rest of your body.
Answer:
d. maintaining the safety of medical machinery
Explanation:
A maintenance technician is responsible for conducting general maintenance and repairs on facility equipment and property structures. They ensure that heating and plumbing systems perform at optimum functionality, the installations HVAC and, the upkeep of the landscape.