Answer:
The treadmill has quite a few parts and requires the most maintenance. The maintenance steps include cleaning the deck/motor cover, testing the stop button, vacuuming, checking lubrication, testing the belt tension, and tightening all nuts and bolts.
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Rough Endoplasmic Reticulum. it has a rough surface and is covered in ribosomes.
Answer: yup. That, and water or air.
Explanation: