Listeria Monocytogenes (Lm) is difficult enough to keep out of a food plant, but once it gets in, the real challenge begins — ...
Interesting Engineering on MSN
New chemical process turns toxic arsenic sludge into semiconductor material
A new chemical technique transforms arsenic from groundwater sludge into valuable metallic material for batteries and ...
Martha Stewart on MSN
The best way to remove rusty bolts, according to a general contractor
Cleaning rust, using penetrating oil, and adding patience help loosen bolts safely without stripping or damaging the hardware. Using the right tools, slow pressure, and controlled heat reduces ...
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