The first impression is the best impression. This adage holds good for individuals, the houses they reside in and the offices in which they work. Be it a house or an office space, it reflects the personality of the owner.
The rapid growth of science and technology has led to the consequent inventions of different types of measuring instruments, which include water flow meter, air flow meter and gas flow meter. The flow meters are tools, which are used for measuring the flow of liquid, gas or air.