#1
What I'm grateful for!by Russell Macario Solatorio Mar...
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2.5K33186When you're down, all you need to do is find what you're grateful for!
Follow me, Russell Maranan AKA Russell talk in my daily journals. Journaling what I think of today...
#2
SURFACE STRESS METER FOR CHEMICALL...by ptc-stress101
101https://www.ptc-stress.com/products/surface-stress-meter-for-chemically-tempered-glass-asm-200fap.html
The photo-elastic principle is adopted to measure the surface stre...