Block of Lead Magnesium Niobate Shape Piezoelectric Ceramic

No difference between these two versions.

0.5.6-betaBlock of Lead Magnesium Niobate Shape Piezoelectric Ceramic
Block of Lead Magnesium Niobate Shape Piezoelectric Ceramic
0.6.0-dev19Block of Lead Magnesium Niobate Shape Piezoelectric Ceramic
Block of Lead Magnesium Niobate Shape Piezoelectric Ceramic