Problem: How to use a manual can opener
Identify the cutting edge.
Generally, the cutter mechanism of the manual can opener features a sharp tip to puncture of the can lid. You may see a curved or hooked point.

Answer: It usually sits at the apex of the two long " arms " that you use to open and close the device. It should be situated alongside the handle, the axle, and the serrated wheel that will bite into the rim of the can lid.

Problem: A medical processional puts a device and needle in someone's face. it

Answer: is actually a piercing.

Problem: How to treat low blood pressure naturally
Know the numbers and what they mean.
When checking your blood pressure, the systolic (top number) should be around 120, and the diastolic (bottom number) should be around 80.
Systolic blood pressure measures the pressure that is exerted on the arteries by the force of your blood being pushed through by your heart.
Answer: Diastolic blood pressure measures the pressure that exists in your arteries when your heart rests between beats. Keep in mind that everyone's bodies are different, so there will be some fluctuation.