Why was the fire alarm invented? The first electric fire alarm system was invented almost four decades later in 1890 by Francis Robbins Upton. He recognized that, in most cases, people wouldn’t have time to stand around and crank a handle inside of a box when a fire started. Therefore, his electric system eliminated the […]
How much are lab grown rubies worth?
How much are lab grown rubies worth? Laboratory grown synthetic ruby The average weight is 1.96ct., priced at $30/ct. Gems this size would be perfect for a ring, earrings, or would make a delicate necklace. Price shown is per gemstone. Do Lab-created diamonds test as real? Yes! Lab grown diamonds test positive on a diamond […]
What is microbial air quality?
What is microbial air quality? Microbial pollution involves hundreds of species of bacteria and fungi that grow indoors when sufficient moisture is available. Exposure to microbial contaminants is clinically associated with respiratory symptoms, allergies, asthma and immunological reactions. What are the reasons to study microbial air quality? The presence of bacteria and fungi in indoor […]
How is niche market advantage advantageous?
How is niche market advantage advantageous? Advantages of Niche Marketing: Less investment: ADVERTISEMENTS: Less risks: There may be lesser risks, as the marketing is done to a very small segment of the market. Higher profits: ADVERTISEMENTS: Brand loyalty: There can be brand loyalty. Goodwill: ADVERTISEMENTS: Less competition: What is a niche advantage? The benefit of […]
Can electromagnetic waves affect each other?
Can electromagnetic waves affect each other? There is a whole area of Electrical Engineering study that involves two perspectives on the same thing: “Electromagnetic Interference and Electomagnetic Compatibility”. Waves from two different objects will also interfere with each other. How do cell phones not interfere with each other? Andrea Goldsmith: You can break up the […]
How long does a double AA battery last?
How long does a double AA battery last? It’s run time is dependent on the device it’s used in, so the answer to run time is, it varies. According to most manufacturers, alkaline batteries shelf life is 5-10 years when stored at room temperature. There is no cycle life for alkaline batteries since they aren’t […]
What is the smallest prefix?
What can I put on my dogs irritated vulva?
What can I put on my dogs irritated vulva? How is vaginitis treated? Treatment is based on the specific cause of your pet’s condition. Many pets receive antibiotics based on sensitivity testing or source location of the problem and twice daily vaginal douches (0.05% chlorhexidine or 0.5% povidone-iodine solutions). Why is my dog’s vulva irritated? […]
How do you get tax exempt at Dollar General?
How do you get tax exempt at Dollar General? Your organization must meet eligibility requirements as set forth by your state. If you are interested in applying for tax-exempt status, you must fill out the appropriate documentation for the state in which you are requesting tax-exempt, then forward a copy to our office for review. […]
What are the six forms of precipitation?
What are the six forms of precipitation? The main forms of precipitation include drizzle, rain, sleet, snow, graupel and hail. What four factors influence the climate of a region? Although many factors combine to influence weather, the four main ones are solar radiation, the amount of which changes with Earth’s tilt, orbital distance from the […]