Youtor
Spiral ball run track made from paper plates and a poster tube
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=3OfJXfWT_HA
@drbrijeshbaraiya you can watch how to use and Benefits of spirometer. 3 ball spirometer is very handy and easy to use macine at home or in hospital. it is helpful in lung disease, post operative status and strengthen lungs. it should be use 3 times in a day, 10-15 repeatation at a time. video shows how to use exactly to gain maximum benefit. if you have any questions, you are welcome to comment or contact me on my mail id [email protected]. • thanks
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