try a concrete stain to blend the whitened area to whatever color it was before
A turkey wishbone will turn to rubber when placed in vinegar because the vinegar dissolves the calcium. Calcium is what makes a bone hard.
Reinforced concrete is just normal concrete with steel reinforement placed inside.
The egg will absorb some of the vinegar, so increasing the size of the egg.
A minimum of 4 inches of gravel should be placed under concrete for proper installation.
Since vinegar is an acid it would turn red.
Newly placed concrete will often have air pockets in it. Rodding it or vibrating it will cause the concrete to settle, or consolidate, better.
When an egg is placed in vinegar, the shell dissolves due to the vinegar's acidity. This causes the egg to increase in size as the vinegar penetrates the egg's membrane, causing it to swell.
Self Compacting Concrete also known as SCC, is a concrete which compacts itself when placed without the help of manual compaction.
because it has calcium in it and if u put it in vinegar it will become bendable after a few days
Steel re-inforcing in concrete should always be placed 1/3 of the depth from the bottom. A 6" thick slab would have the steel placed 2" off the bottom.
beam
Concrete is usually reinforced by adding steel. The cost of reinforcing concrete depends with the given area under which the steel is placed to reinforce it.