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docs/webroot/gallery.html

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             of a single bubble into an incipiently fluidized bed. Here, the 50 m/s jet is turned on
             for 150 ms causing a single large bubble to form, rise through the 3 mm particle bed and
             erupt a the surface. <a href="https://ovito.org">Ovito</a> animation shows particles in
-            the center 10 mm thick slice of the 190 mm diameter bed, colored by their vercial
+            the center 10 mm thick slice of the 190 mm diameter bed, colored by their vertical
             velocity ranging from -0.3 m/s (black) to 1.0 m/s (white).
             Simulation models 260K particles with MFiX-Exa 19.08 using 32 CPU cores.
             <p><p>
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         </header>
         <div class="row 50% uniform">
           <div class="8u 12u(small)">
-            The "granular" variant of the classical RT instability superimposes an assemply of
+            The "granular" variant of the classical RT instability superimposes an assembly of
             1.12M random loose packed particles over air. The instability finger/bubble pattern
             which reaches a (statistical) equilibrium between coarsening via finger merging and
             refinement via bubble splitting. Black and white <a href="https://ovito.org">ovito</a>