Search:

We also used drop cloth but backed it with carpet padding and tacked it with roofing nails. Yes to fire retardant.

On a more technical side, QR Codes have built in error correction which means you can make slight modifications to them and they still work.

12532

Check out this link for a how-to:...

Great timing. We were researching blood formulas yesterday. Thanks for the post.

might try these

http://www.raglady.com/items.jsp?category=66
http://www.ercwipe.com/cheesecloth.html#ideal

Check at lowes for their damaged goods. We scored a stack of OSB and some fence board dirt cheap.

Any suggestions on inexpensive amps? The Samson Servo amps seems a bit pricey.