Answer:
an actuator is a device that uses a form of power to convert a control signal into mechanical motion
Answer:
First of all, check your router (the thing that gives you internet). Maybe that's the problem. It that doesn´t work, try going to settings and going to WIFI. Then disconnect the WIFI and connect it again. Sometimes the WIFI gets connected, but doesn't like ¨grab¨ correctly, so it keeps falling. Hope this helped.
Explanation:
<span>A good quality device is an Uninterruptible Power Supply (UPS).</span>
