Shell roofs are curved roofs used to cover large one-story buildings, commonly found in public buildings. There are three types: single barrel, multi-barrel, and continuous barrel. They offer extra structural support, are aesthetically pleasing, and rarely leak, but are expensive to build and have issues with lighting and ventilation. However, they can save money on […]
Woodworking involves using chemicals and additives to prepare raw wood for use in creating various wood-based products. Equipment such as chippers and saws are used to generate materials, and waste is minimized through recycling processes. Woodworking can describe various types of procedures used to use raw wood in order to create substances or supplies that […]
Empyema is a collection of pus in an existing body cavity, often caused by infection, surgery, or chronic inflammation. Treatment involves draining the pus and addressing the underlying cause. The longer it goes untreated, the worse the potential complications, including inflammation and tissue thickening. The most common place for empyema to develop is the pleural […]
Layoffs occur when a company experiences a drop in sales or revenue, resulting in employees being temporarily dismissed. Benefits may be affected, but terminated employees may be reactivated in the future. Companies may help employees claim unemployment compensation. Terminated employees may receive compensation for accrued vacation and personal days if the status changes to termination. […]
Stopcocks control air and fluid flow in a vehicle’s engine and coolant systems. Fuel cocks control fuel flow in gravity-fed systems, while refrigerant system valves have a threaded and plain end. Broken valves are difficult to remove and require expensive repairs. Worn valves must be replaced. A stopcock is a valve used to control the […]
Orecchiette is a small, ear-shaped pasta from the Apulia region of southern Italy, traditionally made by hand with durum wheat semolina flour. It is ideal for chunky sauces and often paired with sausage and broccoli raab. Its chewy texture comes from the lack of eggs in the recipe. Similar pasta exists in France and China. […]
Wythe refers to a single unit thick vertical section of masonry, commonly made of brick or block. Different types of wall construction include single, multiple, and rainscreen veneer walls. Single skin walls are cheap and strong but require careful construction to be weatherproof. Wythe, or white, is a term for a vertical section of masonry […]
Mechanical floors in tall buildings house building systems such as climate control, electrical panels, and elevator controls. They are not accessible by normal elevators and may require special access. They can also be used for storage and high-security equipment. Integrating them into building design can be challenging. A mechanical floor is a floor in a […]
Formwork plywood is used for creating molds when pouring concrete. It is weather-resistant and not aesthetically pleasing. It is strong and resistant to water damage. It can be reused and held in place by temporary supports. It does not have an exterior veneer, making it less expensive. Formwork plywood is a material used in the […]
Fitz-Hugh-Curtis syndrome is caused by inflammation of the liver capsule due to an infection spreading from the female reproductive system. Symptoms include sharp pains in the upper right side of the abdomen, fever, and nausea. Antibiotics are used to treat the condition, which is most common in adolescents and caused by Neisseria gonorrhoeae and Chlamydia […]
Horizontal engines have cylinders that travel horizontally with the ground, like the Volkswagen Beetle’s air-cooled four-cylinder engine, which Porsche and General Motors also used. A flat-plane crankshaft allows for high-performance operation, but overheating can be a problem. Aircraft and motorcycles also use horizontal engines, but external oil coolers are recommended for severe service. A horizontal […]
Pork tenderloin mignon is a cheaper alternative to beef tenderloin, and can be cooked in similar ways. It is a lean and tender cut of meat that can be roasted, grilled, or stuffed with various fillings. Using pork and filet mignon in the same sentence might initially conjure up an image of crispy bacon wrapped […]
Tractors are heavy machinery used for various tasks depending on size, attachments, and design. They are commonly used for agricultural, excavation, and construction purposes. Personal tractors are smaller and versatile with horsepower ranging from 20 to 200. Attachments such as front loaders, mowers, and trailers can be added. Tractor enthusiasts also collect and restore antique […]
Ketosis and acidosis often occur together in the body, but have different symptoms and metabolic pathways. Ketosis is the burning of fatty acids for energy, while acidosis occurs when acids build up in the body due to prolonged ketosis. Ketosis can be reversed by consuming carbohydrates, while acidosis may take longer to recover from and […]
A free trade zone allows the importation of goods without import duties and taxes. It can be used for storage, display, or manufacturing, and goods can be exported without tax. It is often established in underdeveloped areas to stimulate the local economy. A free trade zone (FZ) is a geographic location that allows the importation […]
Rudders are used to steer boats, planes, ships, hovercrafts, and submarines by cutting through fluid and forcing it through the body. Ancient Egyptians and Chinese used oars as rudders, while Romans developed the sexille rudder. Modern rudders can be installed outside or inside, and aircraft rudders are called control surfaces. Without rudders, controlling planes and […]
Sugarcane is a tropical plant used to make sugar, molasses, ethanol, and rum. It is grown in many countries, with Brazil and India being the largest producers. Sugarcane processing is environmentally friendly, and its by-products can be used as fuel and in paper production. Sugarcane is the only source of natural cane sugar and is […]
Masonry cement is a strong, durable, and aesthetically pleasing mortar used for various types of masonry. It is produced in controlled conditions with additives for durability and color. The ASTM classifies it into three types, and workability is important for good application. Proper workmanship and grouting are also important for masonry durability. Masonry cement is […]
Consumer sovereignty theory claims that consumers drive manufacturing and consumption, and rational behavior will resolve inequalities. Critics argue that advertising creates artificial desires, leading to excessive consumption and negative effects. John Kenneth Galbraith disagreed with the theory, stating that interactions involve cultural elements and require government influence. The theory has roots in neoclassical economic theory […]
Driver fatigue is a leading cause of car accidents, with tired drivers having slower reaction times and reduced alertness. Symptoms include yawning, tired eyes, and difficulty concentrating. To prevent fatigue, drivers should rest before long trips, avoid driving at night, and take breaks. The National Sleep Foundation estimates that 20% of accidents involve fatigued drivers. […]
