The Amish have a genetic trait called polydactyly which is rare among other populations of people. This means that a person can 6 fingers, usually an extra thumb. This kind of evolutionary effect that is exhibited in this specific example is called the Founder effect. This happens when there is a small number of colonizing ancestors.
Temperature, pressure, wind speed and direction, cloud coverage,precipitation and humidity
Shoulder is called Deltoid
upper back is called cutaneous pectoris
A orthotic device is an appliance applied to the body to stabilize or immobilize a body part, improve alignment, prevent deformities, protect against injury, or assist with motion or function
Their safety is dangerous when they don't use a common measurement is because they don't know what are safe amounts of this dangerous chemical for them to use. Because they're using dangerous chemicals without a common measurement - this obviously puts them at risk.
