Doctors can use technology to evaluate preexisting health conditions so one does not push themselves too far. Technology can help monitor your heart rate, blood pressure, fat percentage, etc. This can give a base to know what to know where/ how much you improved when you look back. Technology can also be your own equipment like a treadmill which makes you more fit.
1. The person's hands, after touching the raw meat and not washing their hands; The knife, when they used the same knife to cut raw meat then proceeded to cut vegetables and fruit.
2. They could have washed their hands, the knife the counter and cutting board in between uses.
3. The school should provide specific instructions to the substitute. These will show how/when to wash the materials.
4. You would have to thoroughly wash all materials to ensure no food poisoning happens.
No calcium helps keeps muscles strong so the other person who commented was wrong.
The correct answer is perform muscle strengthening exercises regularly.
