Sometimes this reactivity of your airways after an infection is the first sign you have asthma. The bit of blood may be a little blood vessel trauma from forceful coughing. It is time to see your doctor for an evaluation. Hope this helps; take care:) ...Read more.
A solenoid is a type of electromagnet when the purpose is to generate a controlled magnetic field.If the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet. solenoid is a type of electromagnet when the purpose is to generate a controlled magnetic field.
An automatic transmission solenoid is simply a solenoid. A solenoid is an electrical device that opens and closes by getting a command from the computer in your car. Of course the computer gets many signals from other inputs all over the car, in order to make a decision.n automatic transmission solenoid is simply a solenoid. A solenoid is an electrical device that opens and closes by getting a command from the computer in your car. Of course the computer gets many signals from other inputs all over the car, in order to make a decision.