Category: Engineering

What is a Class 2 medical device as classified by the FDA? Class II medical devices are those devices that have a moderate to high risk to the patient and/or user. 43% of medical devices fall under this category. Most medical devices are considered Class II devices. Examples of Class II devices include powered wheelchairs […]

What is journal in journal bearing? Journal or plain bearings consist of a shaft or journal which rotates freely in a supporting metal sleeve or shell. There are no rolling elements in these bearings. Low-speed pins and bushings are a form of journal bearing in which the shaft or shell generally does not make a […]

Can you put a baseball cap in the washing machine? Place the hat into the washer (alone or with a smaller load of laundry so it doesn’t lose its shape) with a mild detergent and wash with warm water on a gentle cycle. Let the hat air dry, with the hat form or head mold […]

What are things in heaven? Six Things We’ll Enjoy in Heaven —An overview 1 Highest Glory. The heaven where Christ will take us is not some lower place between earth and the highest heaven. 2 Eternal Life. We will never leave heaven once we are there. 3 Angelic Company. 4 Victory Songs. 5 End of […]

How long have lungfish been around? The Dipnoi first appeared in the Early Devonian Epoch (about 419.2 million to 393.3 million years ago), and the extant species occur in rivers and lakes in Africa, South America, and Australia. How old is the lungfish? Life history cycle The species can live to at least 20-25 years […]

What do stink bugs symbolize spiritually? “The Stink Bug can show the connections between seemingly separate unrelated events with heightened intuition. Stink Bug aids with clarifying dreams, visions and insights. She can show the connections between seemingly separate unrelated events with heightened intuition. Is seeing a stink bug good luck? According to some old folk […]

Are garnets worth anything? Prices range from $500 a carat for good colors with some inclusions, to $2,000 to $7,000 for clean larger stones with top color. Demantoid garnet is the rarest and most valuable of the garnets and is one of the rarest of all colored gemstones. How do I value a garnet? How […]

Why did Gale Harold leave Desperate Housewives? Gale Harold, who plays Jackson was seriously injured in a motorcycle accident and his character had to be temporarily written out but it looks like Hale’s all better and coming back to the show! Is Gale Harold married? Forty-seven-year-old Gale Harold is not yet married and has no […]

What do you do with a dead possum in your backyard? Place the dead possum in a plastic garbage bag and tie the bag tightly. Place the plastic bag in a garbage can with a lid. Alternatively, place it in a cardboard box and tape the box shut. Keeping the carcass in a closed container […]

What causes the oceans water levels to rise and fall? Global sea level is rising from two primary causes: the expansion of ocean water as it warms; and increased melting of land-based ice, like glaciers and ice sheets in Greenland and Antarctica and other “upland” areas. As the ocean and the atmosphere continue to warm, […]