Hair scales always point toward the tip of the hair.
The cuticle is a tightly formed structure made of shingle-like overlapping scales.
The direction of the "point" of Earth's axis of spin does not change (at least not noticeably on human time scales - there is a 25 thousand year precession). The orbit of the Earth round the Sun means that the north pole of this axis of spin is pointing towards the sun in Summer, away in Winter and sideways in Autumn and Spring.
A digital multimeter has the advantages of idiot-proofing and accuracy. The digital readout gives a single number instead of a dial pointing to several numbers on multiple scales.
They have a spring attached to a dial or needle pointing at the weight on a gauge. Both spring and gauge are highly calibrated.
Zero, a useful number to have on the scales, will be present in the even numbered scales but not the odd numbered ones.
scales can tell you how old a fish is by the number of rings on a scale
The body covering for a fish is called its scales. Scales on fish vary by size, color, number, and shape by species.
Often you can tell what family of fish it is in.
a number...
Borrow someones bathroom scales, lift the bike in both hands, get on the scales, read the number, put the bike down, read the number, subtract 2nd number from 1st number and that is the weight of your bike.
Guitar scales can be found in many places online. There are a number of websites which include these scales and are free to access, otherwise an individual may purchase a guitar book online for the use of these scales offline.
A robin's feet are small and slender, with three toes pointing forward and one pointing backward. They are usually brownish in color with scales or rough texture for better grip on perches and prey. Robins have relatively strong feet for perching and hopping around on the ground.