A registered architect is listed on a building permit for the project they are contracted for. They must meet legal requirements and ensure safety codes are met. Communication and record-keeping are important, and the architect must be accountable for their documentation. A registered architect is a firm or individual architect listed on a building permit […]
Dial gauges are used to measure machined parts with high accuracy, using plunger, lever, or vernier inputs. They come in analog or digital formats and can measure in small increments up to 500 thousand inches. Plunger gauges are held in place while the workpiece is rotated, while vernier gauges use the movement of the jaws. […]
Freon, a non-toxic refrigerant developed by DuPont in 1928, was widely used until evidence suggested it was damaging the ozone layer. Alternatives have been developed, but old appliances still contain Freon. Leaks do not pose an immediate risk to human health, but can lead to suffocation. Freon is a family of products developed by the […]
Split-face block is a type of concrete block with a crack in the center, used for exterior construction and retaining walls. It’s made by combining cement, water, and aggregates, and then split lengthwise or crosswise for a rough texture. It’s available in various colors, textures, and shapes and is commonly used in commercial and institutional […]
Vapor tracing prevents heat loss in hydraulic systems, commonly used in the petroleum industry. Heat tracing is the general practice of heating pipes to keep materials at a constant temperature. Vapor tracing uses a small diameter pipe alongside the main pipe, with a conductive compound between them. It can maintain viscosity, prevent freezing, and control […]
Freight elevators are designed to lift goods and cargo, and are larger and can carry more weight than passenger elevators. They can be hydraulic or traction, and are often custom-designed for the facility they will serve. Dumbwaiters are smaller and used to move household items. Freight elevators have different fire codes and requirements than passenger […]
A hollow-edge blade has evenly spaced indentations near the cutting edge, reducing friction and preventing food particles from sticking. It is thinner and more durable, but should not be confused with a hollow ground blade. It can be marketed as a Granton blade and should be handled before purchase. Care should be taken to maintain […]
An electromagnetic motor uses magnetic forces from a wire with electricity to power movement. AC and DC motors are common types. Electromagnets can be created with coiled wire or an iron core. They are found in household appliances and can drain batteries quickly. An electromagnetic motor is a machine that uses the magnetic forces produced […]
Skeleton keys come in two types: the classic design for secured locks and the master key for various locks. Antique skeleton keys have ornate bows and plain inserts, while modern ones have plates facing outward. Master keys can open any lock within a given family or location. Two types of keys are referred to as […]
Drywall is a type of cladding used for interior walls and ceilings. It consists of gypsum sandwiched between two sheets of paper and is easy to install. Drywall is a popular choice for homes because it is efficient and provides sound insulation and fire protection. Drywall, also known as drywall or drywall, is a type […]
A grain dryer is used to dry corn and soybeans to prevent rot and mold. It is expensive, so farmers may rent or use a cooperative. While it can be a financial boon for large-scale operations, most farmers try to avoid using it due to the added expense. The dryer uses fans and heaters to […]
Silk gauze is a sheer, strong fabric with a leno structure that is ideal for lining, veils, scarves, costumes, and embroidery. It is different from silk organza and comes in different weights and HPI. It is also easy to dye and machine washable. Silk gauze is a sheer, thin fabric made of fine but very […]
Standpipes in buildings are used for active fire protection systems and can be charged with water using a siamese connection. These Y-shaped connectors allow two fire hoses to be connected to the same standpipe and are typically placed on the outside of buildings close to the ground. Once water is supplied, pedestals within the building […]
Just-in-time production reduces costs by minimizing in-process inventory with visual cues. It improves quality and efficiency, and has been used in the automotive industry since Henry Ford’s time. Toyota modified the process, leading to higher productivity rates and reduced risk. However, it relies on accurate demand forecasts, or else it could lead to problems with […]
Molybdenum steel is a strong, heat-resistant, and corrosion-resistant alloy used in various industries. It is versatile, easy to weld, and can provide strength without adding significant weight. Molybdenum-containing alloys are used in a wide range of applications, from construction to electronics to healthcare. Molybdenum replaced tungsten in the early 20th century due to its lower […]
Acid cleaning removes discoloration and oxidation from metals or masonry. It’s used to keep new brick walls, concrete sidewalks, and metal warehouses clean. Mild acid cleaners like acetic acid and citric acid are used for household cleaning, while strong acid cleaners like muriatic acid are used for tougher stains. Protective gear is necessary when working […]
Butcher paper is a sturdy paper used for wrapping meat and fish, but also popular for crafts. It is made using the kraft process and can be waxed or oiled to resist leaks. It comes on a roll and can be used for wrapping packages or protecting surfaces. Butcher paper is a type of rough, […]
Dump valves regulate the flow of substances in various systems, including dams, natural gas pipelines, and manufacturing machinery. They can be manually or automatically operated and are essential for safety and efficiency. Regular maintenance is necessary for optimal functionality. Relief valves are devices that allow you to monitor and control the flow of a substance […]
Drills come in different types for various purposes, including hand drills, pistol grip drills, hammer drills, and drill presses. They can drill holes and drive screws into different materials. Drill presses are suitable for accurate drilling and can be fixed to a table with clamps or a vice. Hole punchers are tools that have a […]
Pharmaceutical waste, including unused medications and personal care products, poses a threat to human and environmental health. It requires special treatment and cannot be disposed of like conventional waste. Poorly managed waste could end up in the hands of people who abuse drugs. Sharps and other supplies can also contain hazards. Wastewater treatment plants are […]
