Hertz is the number of cycles per second in an oscillating wave form. So 60Hz has 60 identical cycles in 1 sec. An Ampere (amp, or A) is the amount of electrons (or charge) that flow past a certain point in one seconds. So amperes are Coulombs/second.
The most and the least painful places to get a tattoo. Shoulder. The shoulder is the least painful tattooing site for two main reasons. First, because in this area there is a greater amount of muscle and second â nerves are not so much sensitive as in other nooks of the body. This area is often the most used and first timers tend to opt for them.
You must be careful to the gym machines. Keep the tattooed area away from the machines. There are a lot of bacteria's, dirt, other peoples sweat from the machines that could effect bad on the skin. You must treat your fresh ink like a wound. It is normal for you to have dry skin and peel after you get a tattoo. The most important thing is to keep the area moist to prevent cracking and scabbing.