J.R. Hartig

J.R. Hartig is a Certified Physical Trainer combining an expertise in physical fitness with a passion for writing about wellness. He is in the process of developing a website on fitness counseling and has written blogs and commentaries for several health-care websites. Hartig began writing following relatives’ trials with diabetes. He devised exercises programs while pursuing his bachelor’s degree at University of California, Berkeley.

How to Ground a Sound Mixer
Contributed by J.R.
Walker Turner Drill Press Parts
Contributed by J.R.
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