Drivers, Relays, and Solid State Relays. Driver circuits. A typical digital logic output pin can only supply tens of MA of current. Even though they might require the same voltage levels, small external devices such as high-power LEDs, motors, speakers, light bulbs, buzzers, solenoids, and relays can require hundreds of MA. Larger devices might even need several amps.
Communicable Diseases Epidemiology Section Wisconsin Department of Health Services Division of Public Health P-42052 (Rev 08/2015) Page 1 of 2 Handwashing Disease Fact Sheet Why is handwashing important? Handwashing, when done correctly, is the single most effective way to prevent the spread of communicable diseases. Good handwashing technique is easy to learn and can significantly reduce the spread of infectious diseases among. children and adults.
An easy way to catch most infectious diseases is by coming in contact with a person or animal who has the infection. Three ways infectious diseases can be spread through direct contact are: Person to person. A common way for infectious diseases to spread is through the direct transfer of bacteria, viruses or other germs from one person to another. This can occur when an individual with the bacterium or virus touches, kisses, or coughs or sneezes on someone who isn't infected.