Ice detectors use light or vibrations to detect ice formation and alert personnel to prevent mechanical failure and ensure public safety. They are used in aviation and wind farms to detect ice formation and indicate severity levels. Different types of detectors include optical transducer probes and vibrating probes, and they can be incorporated into aircraft […]
A valve assembly includes all parts related to valve installation and operation, including the fluid control mechanism, casing, actuation mechanisms, connectors, sensors, and fasteners. It is used to stop, start, or throttle fluid or gas flow. Ancillary features may be included. The assembly may also include external controllers, fasteners, adapters, and replacement parts. A valve […]
The Cobb angle measures spinal curvature in scoliosis or spinal fractures, but has drawbacks. It is a quick diagnostic tool, but can be inaccurate and does not account for twisting of the spine. Consultation with multiple doctors is recommended for treatment decisions. The Cobb angle is a measure used to determine the degree of curvature […]
Asset-based community development focuses on identifying and utilizing the strengths and assets of a community to mobilize and strengthen them, rather than focusing on problems and needs. The approach involves identifying five main assets: individuals, associations, institutions, physical assets, and social connections, with a strong emphasis on social capital. The goal is to create a […]
A hollow blade knife has a concave, beveled edge achieved by grinding below the midpoint. It’s easy to sharpen but brittle and unsuitable for heavy-duty tasks. When choosing a knife, look for high-quality metal and a balanced handle, and avoid putting it in the dishwasher. A hollow blade is a knife blade that has been […]
Diametral pitch is a common way to classify gears based on the number of teeth per inch or centimeter of its diameter. It helps determine what size and type of gear is needed to interlock with another gear and how fast a gear can move in a machine. “Diametral pitch”, sometimes called “diametric pitch”, is […]
Hattusa, the ancient capital of the Hittite empire in Turkey, is a UNESCO World Heritage Site. The Hittite Empire thrived from the 18th to the 12th century BC, and Hattusa served as its capital for most of that time. The site contains many attractions, including the Great Temple and well-preserved tombs. The discovery of clay […]
Handcars were originally used for maintenance and inspection on railways, but also for passenger transport in Japan. They were powered by pumping or pedaling and were popular in Australia. Handcar racing is now a recreational sport in many parts of the world, with notable events in California, Pennsylvania, and South Australia. A handcart is a […]
Quark is a soft cheese popular in Germany, made from raw milk and versatile in cooking. It is safe for vegetarians and observant Jews to eat, and can be made at home. Quark is a Central European form of soft cheese that is especially popular in Germany, where numerous dairies produce it. It is possible […]
Slag is a by-product of metal smelting and is used in various industrial processes, including as a component of concrete, road materials, ballast, and fertilizer. It is produced during smelting as unwanted impurities and as a protective crust of oxides on top of the metal. After aging, it can be sold for use in other […]
Prambanan is a UNESCO World Heritage Site in Indonesia, consisting of a large Hindu temple complex built in the mid-9th century. The complex includes three main sanctuaries, each dedicated to a specific Hindu god, and features ornate bas-reliefs depicting scenes from Hindu legends. The Durga shrine is a popular attraction, with a legend surrounding its […]
Business process outsourcing involves hiring another company to handle certain business activities. It includes human resources, financial, administrative, call center, and customer service processes. Outsourcing is often done offshore in countries with lower currencies, such as China, India, and the Philippines. Companies are attracted to outsourcing for flexibility, efficiency, and cost savings. Business process outsourcing […]
Autonomous vehicles do not require real-time instruction from humans to function and rely on sensors and on-board computers to make decisions. They are used in various industries, including oil and gas, military, and scientific research. Semi-autonomous Mars rovers can make independent navigation decisions, and DARPA sponsored competitions to develop driverless cars. An autonomous vehicle is […]
A gang box has two meanings in construction work: a large toolbox shared by workers and a metal or plastic box used to contain electrical components. Gang boxes vary in size and material, with plastic being more common in residential construction and metal being stronger and more versatile. Metal boxes can also serve as a […]
Industrial maintenance involves repairing and maintaining equipment in an industrial setting. It requires general, mechanical, electrical, welding, and preventative maintenance knowledge. Technicians must be multi-skilled problem solvers with an understanding of tools, blueprints, safety, and machinery. They can be on-site employees or privately hired. Preventative maintenance is essential to ensure safety and protect investments. Industrial […]
A trauma team in the emergency room consists of doctors, nurses, and technicians who treat patients with serious illnesses or injuries. The team leader coordinates the team’s activities, and specialists are added as needed. The team is trained in Advanced Trauma Life Support (ATLS) to evaluate and treat trauma patients. A trauma team is a […]
Tawny port is a sweet, nutty wine made from red grapes and fortified with aguardente. It can be aged for varying lengths of time and has a range of flavors, from creamy and fruity to sour and crunchy. Non-vintage varieties are higher in tannins, while vintage wines are more expensive and have softer tannins. Sweet, […]
Gas shutoff valves control the flow of natural gas or propane through a hose. They are commonly used to shut off gas during repairs or emergencies. Gas taps are available in different materials and configurations, and buyers should consider size, temperature, pressure, flow rate, and material when choosing a fitting. A gas shutoff valve is […]
An air compressor has three basic components: the motor, cylinder head, and buffer tank. The motor powers the compressor head, which compresses air into the tank or airline. The buffer tank stores compressed air for a continuous supply of constant pressure. Without the motor, the compressor cannot function. If the motor breaks, repairing or replacing […]
Epstein-Barr virus (EBV) causes infectious mononucleosis, which is transmitted through bodily fluids. Most individuals are asymptomatic, but symptoms include fatigue, sore throat, and fever. Diagnosis is confirmed through a blood test, and treatment involves rest and hydration. Complications can occur if left untreated. Infectious mononucleosis is caused by exposure to the Epstein-Barr virus (EBV). By […]
