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How to Read a GM Vin Number

GM vehicles, like all other vehicles, have a vehicle identification number (VIN) that provides a unique identifier for each vehicle. The VIN is stamped onto a plate attached to the left side of the vehicle’s dashboard and can be most easily viewed from the outside of the vehicle by looking through the front window. A […]



How to Read an Oil Tank Gauge

If you think your boiler, warm air furnace or water heater has stopped working, the first thing you want to check is the oil tank gauge. By finding and reading your oil tank gauge, you can figure out if the heating appliance in your home is broken or if your tank is out of fuel. […]



How to Read a .Lit File on a Mac

LIT files are Microsoft files written for the company’s Microsoft Reader. Unfortunately, Microsoft Reader is not available for Mac computers. If you have received a LIT file from a Windows user, you will need another type of software to read it. There are several options available for Mac users, each with advantages and disadvantages. Read […]



How to Test a Car Battery With a Multimeter

Few things can ruin an adventurous road trip as quickly as a dead battery in a small town in the middle of nowhere — and with no mechanic. A car’s battery is essential to giving the starter motor the energy required to turn the flywheel until the engine reaches self-sustaining combustion. A few minutes of […]



How to Read Cell Phone SIM Memory

You can retrieve contacts, rescue deleted text messages and organize your phone’s memory with a SIM card reader. Most activity on your cell phone is stored on your Subscriber Identity Module, or SIM, card. Every phone has a SIM card because it stores the subscriber key that identifies the mobile user. Once you buy a […]



How to Read Carbon Monoxide Detectors

Carbon monoxide is a colorless, odorless gas produced when a fuel source such as natural gas, gasoline, or wood is burned. It is one of the leading causes of accidental deaths in the United States each year. Many people have taken steps to avoid incidents of carbon monoxide poisoning in their homes by installing carbon […]



How to Read an Imperial Micrometer

A micrometer is an elegant device for making very small measurements, accurate to within a thousandth of an inch. With a micrometer, you can take measurements in both the standard (metric) and imperial systems, though you have to know how to read the markings on the device. A measurement line, like that on a ruler, […]



How to Read Plumbing Blueprints

Blueprints provide a map for building a home. The symbols on the blueprints tell carpenters, plumbers and electricians all they need to know about the home’s design and building materials. Plumbing blueprints detail everything from the type and size of sinks to the location of gas lines, drains and vents. Plumbers may take extensive courses […]



How Do Vending Machines Read Money?

If phones are smart then vending machines are brilliant. Vending machines have been reading money, making change and selecting the correct product since the late 19th century, dispensing soda, snacks and other sundries. Reading money Pre-digital vending machines used a magnetic head to read the ink on a dollar bill. They also identified coins by […]



What Is the Optimal Blood Pressure Reading?

High Blood Pressure–also known as hypertension–refers to increased pressure of the blood against the walls of the arteries. Blood pressure is created by the heart when it pumps blood through the arteries and circulatory system. It is also created by the force of the arteries as they resist the blood flow. The systolic, which is […]



Why Is it Important to Read Labels?

If you take the time at the supermarket to pause and inspect the nutrition labels of the food you buy, you’ve already taken a significant step in improving your health. Being familiar with the nutritional value of what you plan to eat helps you keep on track with your diet, eat foods that nourish your […]



How to Read a Road Map

While technology is increasing at such a fast pace that many new cars now have installed GPS units–which tell you how to get from point A to point B–many travelers, either through preference or necessity, still rely on road maps to navigate a trip. It is not difficult to read a road map, nor will […]



How to Read a Glucose Meter

A glucose meter is a quick way for a person suffering from diabetes to monitor her blood sugar levels. This allows the individual to protect herself from the health dangers associated with blood sugar levels either rising too high or dropping to dangerously low levels. Wash your hands. Before taking a glucose test you should […]