Large U.S. corporations also play a major role on the global stage, with more than a fifth of companies on the Fortune Global 500 coming from the United States. Even though the services sector is the main engine of the economy, the U.S. also has an important manufacturing base, which represents roughly 15% of output.
A: Lidocaine is an anesthetic or numbing agent when used topically or injected in the spinal column, and it is an antiarrhythmic (helps with irregular heart beats) when given intravenously. When it is used topically on the skin, it works by inhibiting the nerve impulses that pass along pain signals to the brain.
Numbing Cream For Blood Draw. There are effective numbing creams out there for people suffering from Needle-o-phobia. People suffering from a scare of needles stand to benefit from numbing creams. A number of people are reluctant to go to a clinic or a hospital for a medical treatment as they have a strong fear of needles or injections.