A silt barrier is a device used in construction to prevent soil, silt, and pollutants from draining into nearby waterways. It is made of a geotextile fabric and is installed along a probable erosion path. Specialized silt fences are used in areas with heavy runoff, and underwater barriers are used in underwater construction. Regulatory agencies […]
Nowruz is the Iranian New Year celebrated by Zoroastrians, Parsees, and others in countries such as Afghanistan, Azerbaijan, India, Iran, Iraq, Pakistan, and Tajikistan. It begins on the vernal equinox and lasts several weeks, involving traditions and rituals such as house cleaning, germinating seeds, and collecting seven symbolic items. Haji Firuz troubadours sing and dance, […]
Innovative thinking is a structured problem-solving approach that aims to find dramatic solutions to overcome current limitations. It involves setting boundaries, depersonalizing discussions, and limiting group sizes to avoid production blocking. The approach requires accurate information, involvement from everyone, and setting deadlines for implementation. Innovative thinking is a type of structured problem solving, halfway between […]
A wobble plate can convert circular motion to reciprocating motion and vice versa, and is used in various applications such as helicopter swashplates and mechanical pumps. It consists of a rotating disk attached to a spindle, which when angled, causes a secondary plate to convert circular motion to reciprocating motion. It can be used in […]
Basil bread is made by adding chopped or pureed basil to bread dough, which can turn the bread green. Basil is an herb used in many cuisines and can be grown at home or purchased dried. Bread is a carbohydrate-rich food made from flour, yeast, water, salt, sugar, and oil or butter. To make basil […]
Roll Compacted Concrete (RCC) is a dry mix of cement, aggregate and water that generates less heat during curing. It can be used for large castings and paving due to its lack of collapse and ability to support weight soon after being poured. Roll Compacted Concrete (RCC) is a relatively dry mix of cement, aggregate […]
Spark plasma sintering (SPS) is a fast and cost-effective technique that uses direct current pulses to create spark energy between particles of a material, resulting in high-density structures. It can be applied to ceramics, composites, and nanostructures, and produces uniform heating and density. SPS has low operating costs, short completion times, and can be used […]
Khajuraho is a UNESCO World Heritage Site in India with 11 remaining temples built in the 10th and 11th centuries. The temples are dedicated to Hindu and Jain deities and feature a range of carvings and statues, including erotic scenes. The purpose of the erotic art is debated, but it has made Khajuraho a popular […]
A maintenance superintendent oversees the upkeep of a physical plant and manages a team to delegate maintenance tasks. They establish protocols and may call in outside professionals for complicated tasks. They are present during daylight hours and may live on site. Salary varies depending on experience and benefits. A maintenance superintendent is an individual in […]
Micrometers are precise measuring instruments used in engineering and mechanical tasks. They come in different types, including outside, inside, and depth micrometers, each with a specific purpose. Micrometers can measure dimensions down to 0.001 inch or 0.01 millimeter, and some have a built-in vernier scale for even greater accuracy. A micrometer, often called simply a […]
Pelletizers crush rock and coal into pellets for other applications. The original hydraulic system is over 30 years old, but modern designs use an electric motor and water slide to reduce operator handling. Water jets and a centrifugal water separator remove moisture from the resulting pellets. Underwater designs are popular and have a low polymer […]
The Suez Canal in Egypt connects the Mediterranean Sea to the Red Sea, allowing ships to avoid traveling around Africa. It has a long history of ancient and modern construction and is owned by Egypt. The canal is a major waterway for international trade. The Suez Canal is a canal in Egypt between the Mediterranean […]
Dry rub is a spice blend used on meat before cooking, popular in Southern and Cajun cuisines but adaptable to any spice family. It is used instead of a liquid marinade and can be adjusted for spiciness. Dry rubs can be used on grilled or barbecued meats, as well as in stir-fries, soups, and stews. […]
Industrial vacuum cleaners remove various contaminants without spreading particles. Types include canister, HEPA, venturi, portable/backpack, ESD, and cockpit. They have different features, such as triple filtration and anti-static properties. Industrial vacuum cleaners are used across a variety of industries to remove toner, developer, lead, mold spores, soot, and other contaminants without spreading the deadly particles. […]
A cupola is a cylindrical furnace used to melt metals like iron and bronze. It is filled with alternating layers of metal and coke, and fluxing materials may also be added. Cupolas were used in China during the 3rd century BC and in Europe from the 17th century onwards. When in use, it is referred […]
International Justice Mission is a Christian organization that addresses social justice issues in developing countries, focusing on victims of violent crime, sex crimes, human trafficking, land seizure, forced labor, and police brutality. It aims to inspire Christians and promote fundamental changes in policies and infrastructure. The organization has 14 field offices in Asia, Africa, and […]
Doctor-patient privilege means doctors can refuse to testify against their patients in court, but there are exceptions, such as when a patient confesses a desire to harm themselves or others. Mandatory reporting of certain diseases and injuries, such as gunshots, can also nullify the privilege. Some argue for complete confidentiality, while others argue doctors have […]
Whetstones are tools used to sharpen bladed tools, available in varying degrees of hardness and grit. They can be made of stone, carbon steel, diamond, or other substances. Hand stones are good for fine honing work, while electric grinders can be used for sturdier blades. Sharpening techniques vary depending on the blade, and a bad […]
Relics are objects of religious veneration, from bones of saints to items that touched martyrs. They are common in Catholic and Orthodox Christianity, Buddhism, and Islam. Relics are kept in ornate containers and displayed to pilgrims and visitors, believed to have tremendous power in some cultures. The sale of relics is banned by the Catholic […]
Workplace bullying, which can include physical, verbal, and sexual abuse, is often carried out by those in positions of authority and can create a hostile work environment. Employers may struggle to deal with the issue, but victims have the right to file complaints with relevant parties. Bullying is not limited to neighborhoods or elementary school […]