Patellar subluxation is when the kneecap slides in and out of its position, causing knee pain and clicking sounds. It can be caused by injury or weak knee joints, and is treated with stabilizing splints and strengthening exercises. Surgery may be needed for severe cases. Patellar subluxation is a condition of the kneecap. It’s not […]
Rental property management involves managing and renting residential or commercial properties for landlords. Property managers charge a fee, which includes tenant screening, rent collection, maintenance, and accounting. They must follow state and federal laws and may use property management software to increase productivity. Rental property management refers to the management of residential or commercial property. […]
Olestra is a fat substitute used in cooking and food preparation, discovered by Proctor & Gamble in 1968. It was approved by the FDA in 1996, but sales of products containing it dropped due to unpleasant side effects such as loose stools and abdominal cramps. Despite this, it is still used as a fat substitute […]
Commercial roofing protects buildings from precipitation and has a flat slope. Materials include shingles, clay/ceramic tiles, cedar/pine, slate, metal, and membrane roofing. Metal and membrane roofing are cost-effective options. Commercial roofing is a building material used to protect and seal the top of commercial structures. It covers the structural framing and prevents rain and other […]
A sultanate is a government where supreme power resides in one person, the sultan. Historically, Türkiye and Delhi had sultanates. Some historic sultanates switched to other forms of government in the 20th century. Brunei and Oman are sultanates in the 21st century. Malaysia has a constitutional monarchy with a sultan as its paramount ruler. A […]
Epispadias is a congenital birth defect that affects the development of the urethra, causing the urethral opening to be in an abnormal position. It can cause urinary incontinence and infections, and surgery is usually required to treat it. The exact cause is unknown, but it may be related to abnormal pelvic bone formation or bladder […]
An inline fuel pump can be located inside the fuel tank or mounted along the frame of a vehicle. It is battery-powered and connected to the electrical system, and has an advantage over traditional fuel pumps in that it is less susceptible to heat-related vapor lock. It also pushes fuel from the rear-mounted fuel tank […]
Cornmeal is made by grinding dried corn kernels to different levels of fineness. It can be used in various recipes, as animal feed, and even as a natural antifungal agent in gardening. Steel ground cornmeal can be stored for years, while stone-ground cornmeal should be used within a few months. Cornmeal is a powdered food […]
Finishing is a metalworking technique used to smooth and flatten metal objects, creating a flat, even surface. It can remove seams, surface damage, and improve corrosion resistance. Finishing machines range from industrial to hand-held and can be used wet or dry. The finish can create a distinct texture on aluminum and eliminates the need for […]
The New People’s Army is a paramilitary organization in the Philippines that aims to overthrow the government through guerrilla tactics. It has been classified as a terrorist organization by many governments due to its violent actions, including attacks on American service members. The NPA was founded in 1969 as the armed wing of the Communist […]
Pediatric sepsis is a life-threatening complication of infection in infants and children with weaker immune systems. Symptoms include high fever, rapid heart rate, and difficulty breathing. Immediate treatment in the ICU is essential, and newborns are at the highest risk. Antibiotics and other drugs are used to treat the infection, and surgery may be necessary […]
Stationary motors power equipment in a fixed location. Diesel versions are the most common, used for water pumping or electrical generation. They were used in manufacturing plants, assembly lines, and cable cars. Farms use them for irrigation pumps and power plants generate electricity. A stationary motor is one that is mounted in a permanent location […]
Pickling salt is a pure, fine-grained salt used for pickling and canning. Its fine grain ensures even distribution in the brine, preventing discoloration. It can also be used as regular table salt, but care should be taken around moisture. Brine includes spices that infuse flavor, and an egg test can determine if the brine is […]
A crown valve regulates and dissipates pressurized steam in industrial steam boiler systems. It can also allow steam to enter the piping system. Crown valves are used as safety measures and have indicators to show if they are open or closed. Early valves were made of cast iron, but steel and bronze became standard for […]
Poutine is a Canadian dish of French fries, cheese curds, and hot gravy. It originated in Quebec in the late 1950s and is popular throughout Eastern Canada. The word’s origin is debated, and there are subtleties to preparing the dish correctly. Poutine is available in some restaurants in the US, Europe, and Asia. Poutine (pronounced […]
Chimney ventilation uses the thermal chimney effect to circulate air, drawing in cooler air from outside to replace warm air leaving a space. It is effective in buildings with dedicated systems and large temperature differences. Stack ventilation systems require few mechanical components and use natural movement to expel hot air and draw in cool air. […]
Wastewater is any water that has been used and negatively impacts water quality. Sewage is the most common example, but wastewater can also come from agriculture and groundwater contamination. Wastewater treatment plants and environmentally friendly methods are used to recycle water. Some individuals recycle wastewater at home. Clean water is essential for safe living in […]
Sleeper cells are secret agents trained to assimilate into another country’s culture and society, living undercover until activated by their handlers to commit acts of terrorism. Members may not be aware of each other, making it difficult to track and dismantle cells. The events of 9/11 highlighted the dangers of sleeper cells, and they are […]
Bibingka is a sweet and slightly salty rice cake from the Philippines, made with rice flour, water, and coconut water. It is cooked in banana leaf-lined muffin containers in a clay oven and can be topped with grated coconut, sugar sprinkles, salted duck egg slice, or grated cheese. It is often served during Christmas time […]
A hydraulic press uses hydraulics to generate force and increase horsepower. Invented in 1795 by Joseph Bramah, it has a variety of uses and sizes. The press uses pistons and fluid movement to generate power based on Pascal’s law. When selecting a press, the size of the rams and distance they travel must be considered. […]
