This paper explains the characteristics of Transverse Mercator projections, the relationship of plane grids to USGS map cells, and the reasons DRG's and other USGS digital products are projected on the UTM.
âº If two amounts are proportional, they change at the same rate so that the relationship between them does not change: 1  Weight is proportional to size. 2  How far you go is directly proportional to how fast you go (= as one thing increases, the other increases at exactly the same rate).
Definition: Contribution. Contribution is defined as the amount remaining after subtracting the direct costs like labour, material, project staff, salary, etc from the revenue. It contributes to the net income after taking care of the indirect costs like rent, wages, electricity, etc.