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A metallic taste in your mouth will very likely come and go. The metallic taste most likely comes from blood in the mouth and will heal quickly.
yes
temperature=pressure/area
Temperature and Pressure
Friction stops the vehicle it like when you rub your hands together, but more like 150 pounds of pressure depending on what type of brakes you have, also it can cause heat, heat is created also from friction among other things, some brake pads if get too hot to quickly will crystallize, when this happens they will be very smooth like glass and will not create friction to stop the vehicle as well. there are 3 types of brakes witch both have pros and cons.1. The first kind of brake pads are metallic, these brakes are usually more expensive but have longer life, and do not crystallize2. The second semi-metallic these brake pads will not crystallize as quickly and and are less money then metallic brake pads but do not last as long as full metallic brakes.3. The cheapest brakes are organic brakes, these do not last as long as the semi metallic, and are most likely to crystallize but they are cheap and get the job done if you need brakes and are low on cash.
Because metallic sodium reacts quickly and violently with water.
the pressure is high out side the plane because the air moves around quickly.
the principle of a pressure cooker it o pressurise a cabin to a high pressure .Which can then cook foods very quickly due to the pressure.The pot can then be removed by releasing the pressure valve.
They would quickly be crushed by the atmospheric pressure.
The Oil Pressure switch if broken off will drain "pump" the oil out of the engine very quickly.
the alternating areas of quickly moving high and low pressure
If stored under pressure and then quickly released it can burst out as steam.