Investigation Protocol
- Read carefully and answer the questions.
- Think through and write down your suggestions on optimization of learning foreign languages.
Safety tips
- If you long to work with your computer, you should take breaks of 10 minutes for every 50 minutes of work;
- the duration of work without a break should not exceed 2 hours;
- during breaks, it's important to perform special exercises to reduce the voltage of view and to prevent the physical fatigue.