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.
For perfect hard-cooked eggs, I put the eggs in a saucepan with cold water to cover and some salt. I bring the eggs and water to a rolling boil, remove the pan from the heat, cover and let sit for 16 to 18 minutes for large eggs, slightly less for smaller ones.