Sometimes the temperature does not decrease with height in the troposphere, but increases. Such a situation is known as a temperature inversion. Temperature inversions limit or prevent the vertical mixing of air.
Middle range machines can cost on average $400 and are often multi-function with copier and laser printer capabilities. Finally, high-end machines which offer high speeds, high capacity and high resolution come at a higher price-expect to pay $1000 - $2500 for such a fax machine.
This selection of low cost fax machines unites high performance and value the way only Brotherâ¢ can. Perfect for home offices or small to medium sized businesses, these budget fax machines are designed for consumers who demand superior black and white print quality and a low cost per page. Budget fax machines from Brother have powerful modems that ensure fast transmission times.