Cardiopulmonary resuscitation (CPR): First aid
Cardiopulmonary resuscitation (CPR) is an emergency treatment that''s done when someone''s breathing or heartbeat has stopped. For example, when someone has sudden cardiac
Automated external defibrillators: Do you need an AED?
An automated external defibrillator (AED) is a portable device that can be used to treat a person whose heart has suddenly stopped working. This condition is called sudden cardiac arrest.
ELI5: How does wind spin those giant turbines? It
This is pretty slow, and they''ll use a transmission gearbox to make the generator spin at faster speeds. The reason they move so slow is because they''re so large
Why Do Some Wind Turbines Not Turn
Other major causes of downtime include failures, blade damage, brake problems, gearbox issues, and turbines spinning too
Why Do Wind Turbines Turn So Slowly
Wind farm generators move at a slow pace to protect fans from strong winds, allowing the blades to begin turning slowly and stop turning. This slow rotation results in less power production,
914 wind generator fix?
If the blades and hub wont spin freely when the unit is disconnected electrically it suggests an internal short circuit. One of the things I would do is to check the rectifiers as described
Turbine-Generator Auxiliary Systems, Volume 6: Turning Gear
Large steam turbines are equipped with a turning gear assembly to slowly rotate the turbine and generator rotors during periods of cooling down after a shutdown, while warming during startup, and
Arthritis pain: Do''s and don''ts
Arthritis is a leading cause of pain and limited mobility worldwide. There''s plenty of advice on managing arthritis and similar conditions with exercise, medicines and stress management. But
Acute sinusitis: Do over-the-counter treatments help?
Medicine you can get without a prescription may give some relief from acute sinusitis symptoms.
How well do face masks protect against COVID-19?
Face masks can help slow the spread of coronavirus disease 2019 (COVID-19). Learn about mask types, which masks to use and how to use them.
Fatty liver disease (MASLD)
Compared with a healthy liver (top), a fatty liver (bottom) appears bigger and discolored. Tissue samples show extra fat in fatty liver disease, while inflammation and advanced scarring are seen in metabolic
Why Do Some Wind Turbines Not Turn?
Discover why wind turbines not turn and what we can do to keep them spinning for a sustainable energy future.
Troubleshoot My Rutland
Using fine sand paper apply light pressure onto the slip rings and rotate them from the post adaptor to clean away any carbon deposits. Change brushes as
Weight training: Do''s and don''ts of proper technique
You might learn weight training techniques by watching friends or others in the gym, but sometimes what you see isn''t safe. Weight training technique that isn''t proper can lead to muscle
Exercise: How much do I need every day?
You can do strength training by using weight machines or weights, your own body weight, heavy bags or resistance bands. You also can use resistance paddles in the water or do activities
Common Generator Problems (with Troubleshooting
To help you quickly find the cause of your problem so you can fix it, I have put together tables to troubleshoot common generator problems. You will also find
Wind Blades Explained: How Slow Rotation Delivers
Wind turbines rely on pitch control (blade angle adjustment) and yaw systems (tower rotation) to align with the wind. Slow-moving blades make these
Triglycerides: Why do they matter?
Why do high triglycerides matter? High triglycerides may contribute to hardening of the arteries or thickening of the artery walls, called arteriosclerosis. This condition increases the risk of
Osteopathic medicine: What kind of doctor is a D.O.?
You know what M.D. means, but what does D.O. mean? What''s different and what''s alike between these two kinds of health care providers?