Grass cutting rates will also vary depending on the frequency of mowing. If you have your lawn trimmed too infrequently, it will be more difficult to maintain. They are also based on square footage, though there is a minimum cost.rass cutting rates will also vary depending on the frequency of mowing. If you have your lawn trimmed too infrequently, it will be more difficult to maintain. They are also based on square footage, though there is a minimum cost.
A tonometer is a tool used to check the pressure exerted by the fluid inside a person's eyes in terms of millimeters of mercury (mmHg). This is done to make sure the eyes and optic nerves are healthy.
An anemometer is a device used to measure wind speed. It is used by  atmospheric scientists or those gathering weather data.   Anemometer-An anemometer is a device for me â¦ asuring wind  speed, and is one instrument used in a weather station.The term is  derived from the Greek word, anemos, meaning wind.nemometers can be divided into two classes: those that measure the wind's speed, and those that measure the wind's pressu â¦ re; but as there is a close connection between the pressure and the speed, an anemometer designed for one will give information about both.