I believe that “chat” is stressed/accented and “el” is unstressed. Similar to the word “present,” where emphasis/accent is placed on “pres.” Hope this helps!
Answer:
Commas! They are used to separate ideas from each other, or be used in place of "and".
Working in a fast production line requires not only physical strength and quick reflexes but presence of mind. In instances when the operating machine jams, you need to decide quickly to either temporarily pause the production and call an expert to fix the machine to avoid further delays or fix the machine by yourself. The first option is the more sensible one.
