Chest wall pain, which is also known as costochondritis, is a common condition and is characterized by achy, sharp, or even pressure-like pain within the chest region. These symptoms may radiate out toward the shoulders and arms. In most cases, the precise source of the pain is not known.
Unit Price. The Unit Price (or unit cost) tells you the cost per liter, per kilogram, per pound, etc, of what you want to buy. Just divide the cost by the quantity: Example: 2 liters for $3.80 is $3.80/2 liters = $1.90 per liter.o the lowest Unit Price (and the best bargain) is 1.5 liters at $2.70. Of course it doesn't tell you the quality of what you are buying, but it can help you make a decision.
in mathematics the abstract expression for any unit whatsoever the number 1 is unity when it is not applied to any particular object but a unit when it is so applied 6 in poetry the principle by which a uniform tenor of story and propriety of representation is preserved in the drama there are three unities the unity of action that of time and that of place