more ... Symmetry is when one shape becomes exactly like another if you flip, slide or turn it. The simplest type of Symmetry is Reflection (or Mirror) Symmetry, as shown in this picture of my dog Flame. There is also Rotational Symmetry and Point Symmetry.
4. Steam the clams. Allow the clams enough time to open their shells-this will be indicated by a burst of steam and popped-open shells, anywhere from 2â3 minutes to 5-10 minutes, depending on the type of clams.If some don't open in this time, discard them as they probably were already dead.llow the clams enough time to open their shells-this will be indicated by a burst of steam and popped-open shells, anywhere from 2â3 minutes to 5-10 minutes, depending on the type of clams.
1 In a medium saucepan, combine the clam broth and water and bring to a simmer. 2  Keep warm. 3  In a large saucepan, heat the olive oil. 4  Add the onion, season with salt and pepper and cook over moderate heat, stirring, until softened, about 5 minutes. 5  Add the rice and cook for 1 minute, stirring to thoroughly coat. Season with salt and pepper. 2  Melt the butter in a large skillet. 3  Add the shallot and cook over moderate heat until softened, about 2 minutes. 4  Add the shrimp and crab and cook until just heated through.