Length measurement systems
The
members of the body are the first units that human smoothly and
easily used to
measure lengths and heights and depth.
1- Alshaber:
a lot of us that not everyone knows, which is a distance
between the thumb and
ring finger in the case of relief fingers apart ...
2- Arm: a distance between the facility and we call for an error
between the elbow
and middle finger ...
3- span: It
is a distance between the hands stretched in opposite
directions away from the
body ...
4- stature: It is a distance from the bottom of the foot to the other
fingers so
that the hands are stretched above the head at full stretch to
them .. This
type of units of measurement is often used to know the
depths of the wells.
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