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How to Read What Ton AC Unit I Have

Within an air conditioner a specific substance known as a refrigerant is changed between gaseous and liquid states by applying pressure changes within a sealed system. This process is called refrigeration. Refrigeration capacity is measured by how much heat can be moved within a given period of time. One unit of measure for this capacity […]



How to Read .Txt Files With Kindle

The Kindle e-book reader is the best-selling product on Amazon.com, the website that created the Kindle. Users can choose from thousands of books, magazines and other items to purchase and download to the Kindle directly from Amazon’s Kindle store. Kindle owners aren’t limited to documents purchased from the Kindle store, however; documents in certain file […]



How to Convert Bifocals to Single Vision

Around the age of 40, most people begin to notice fine print is more difficult to read, according to the University of Michigan’s Kellogg Eye Center. Bifocals are lenses that have two types of vision correction, also called power: one for distance and another for helping to see better up close. A bifocal prescription is […]



How to Read & Measure With Micrometers & Calipers

Calipers and micrometers are used by engineers and those in the manufacturing industry to measure parts and dimensions with great accuracy. Although micrometers are the more accurate of the two, a good set of calipers can give you an accurate measurement within .0001 or an inch and can be used for a few different types […]



How to Read a Technical Drawing

Technical drawings are used to visualize just about anything that is manufactured, built or assembled. From idea to drawing to factory, mill or construction firm, a technical drawing describes shape, dimensions, materials, construction and overall look of the object being created. With a few tips and some insight about terms and meaning, anyone can visualize […]



How to Read the Pressure on a Car Air Conditioner

A car air conditioner is a complicated component system of your vehicle. Although it does not affect the overall operation of a car, the air conditioning unit plays an important role in the level of comfort you experience while driving in extremely warm temperatures. The air conditioner does impact and communicate with other systems in […]



How to Read Highway Blueprints

Civil engineers design highways and create large sets of documents called highway blueprints. These plans are sheets of drawings and charts that illustrate proposed new roadways or existing road improvements. Highway blueprints convey design, construction and right-of-way information that designers, contractors, estimators, construction workers, appraisers, negotiators, attorneys and property owners use. Contact your Department of […]



How to Read a Fluke Digital Multimeter

Fluke digital multimeters perform a variety of measurement functions. They can measure voltage, current and resistance. By selecting the correct function on the selector knob, the measurement can be made and read on the digital display. Fluke digital multimeters have large digital displays, making the numbers easy to read. This makes it much easier than […]



How to Read a Propane Gas Meter

Gas meters measure the flow and usage of either propane or natural gas. These meters use different measurement systems, but the most common types of meters used for propane gas are the rotary meters containing several dials and multiple pointer clock hands, or the digital readout meters. The digital meters are the easiest to read […]



How to Turn on the Biometric Reader on Windows 7

Many laptops currently on the market now include biometric readers which scan your fingerprints to let you access your computer. Fingerprint scanning can increase the security on your machine by enhancing protection beyond your normal system passwords. When using the Windows 7 operating system on a computer with a biometric scanner, you can set up […]



How to Fix a GameCube Read Disk Error

A GameCube Read Disk Error usually happens when the laser lens, which reads the game disk, becomes dirty. Once the laser lens accumulates dust, it becomes harder for the system to read and process information on the game disk. Luckily, you don’t need to take apart the GameCube to clean the laser lens. However, one […]



How to Take an Infant’s Blood Pressure Reading

If your child was born premature, had a stay in the Newborn Intensive Care Unit or has had RSV or any other illness that can affect his blood pressure level, you may be asked to measure your baby’s blood pressure. Taking a baby’s blood pressure can be hard because babies squirm and the process is […]



How to Read an SDHC Memory Card

High-capacity SD cards offer more memory than standard SD cards, storing up to 32GB of data. But these cards are not compatible with all devices that read SD cards. Reading an SDHC card from a compliant device or compatible card reader takes little more than inserting the card. But certain procedures may allow other devices […]



How to Read NFL Football Odds

There are two outcomes to every NFL game. The first result is on the scoreboard: Which team won and which team lost? The second tally is done by bettors: Which team covered, or beat the point spread? Picking winners and losers against the spread is a popular pastime. Before embarking on this adventure you must […]



How to Read GPS Maps

Global Positioning Systems or GPS allow you to traverse the world without fear of ever getting lost by providing you with up-to-date maps of any place you may find yourself in. It is important , however, to be able to read a GPS properly in order to make use of it. GPS uses cardinal directions […]