When someone acts unfairly you are unsure whether to say anything to him or her?

The answer would be depending on the situation. It is because there are some circumstances that a person does not need to say anything to the person when he or she has done something unfairly because there are times that it is best not to interfere and sometimes it is best to say something to him or her, especially when they have afflicted pain towards others.

uses : -

1.aneroid barometers primarily measure whether pressure is rising or falling.

2.aneroid barometers are often used for reading pressure in homes and recreational boats.  

3.other uses may include barographs in meteorology and altimeters in modern aircraft.  

4.this type of barometer can announce whether a high or low pressure system is coming or whether it is becoming more intense.  

5.there are different types of aneroid barometers, such as the altimeter, which measures altitude, or distance above sea level.  

6.another example is a barograph, which is a modified aneroid barometer that provides constant readings of atmospheric pressure on graph paper.  

7.when used in this capacity, the aneroid barometer can store a week's worth of data.

android diameter a device for measuring atmospheric pressure , often specially calibrated for use as an altimeter ,consisting of a box or chamber partially exhaused of air, having an elastic top and a pointer to indicate the degree of compression of the top caused by the external air

refer to the attachment for the characteristics : -

i believe that the answer to the question provided above is that the role of campaign committees is to act as a bridge between state and local campaigns.