Protractor on the dial from 180°, as the dial is graduated from opposite zero marks to 90° each way. Since the spaces, both on the main scale and the Vernier scale, are numbered both to the right and to the left from zero, any angle can be measured. The readings can be taken either to the right or to the left, according to the direction in which the zero on the main scale is moved. Reading the Vernier scale: The bevel protractor Vernier scale may have graduations of 5′ (minutes) or 1/12°. Each space on the Vernier scale is 5′ less
ILR scale are able to perform most basic functions using the language; this includes buying goods, reading the time, ordering simple meals and asking for minimal directions Limited working proficiency is rated 2 on the scale. A person at this level is described as follows: Professional working proficiency is rated 3 on the scale. Level 3 is what is usually used to measure how many people in the world know a given language. A person at this level is described as follows: Individuals classified at level 3 are able to use the language as part of normal professional duties and can reliably