Product lines are a series of related products developed by the same manufacturer, often with different prices to appeal to a variety of consumers. Product line extensions are added to ward off competitors, and target markets are created based on age, location, and ethnicity. Marketers use statistical data to determine which products to keep and […]
Rabbit lines are wrinkles that form on the ridge of the nose, often due to years of facial expressions. They can also be caused by overuse of cosmetic procedures, such as Botox injections. The obsession with smooth faces has led some people to opt for procedures to eliminate wrinkles, but this can lead to unintended […]
A number line is a useful tool for teaching arithmetic, including fractions and negative numbers. It can be a line or segment with positive numbers to the right and negative to the left. Children learn to draw coordinates on the line, which helps with graphing and understanding (x, y) axes. A number line can be […]
A line supervisor oversees the operation of a manufacturing or assembly line, ensuring workers and machines are performing correctly, production quotas are met, and safety measures are followed. They manage people, monitor machines, and ensure safety regulations are observed. The term “line supervisor” generally refers to an employee at a manufacturing facility who is responsible […]
A brightline rule is a clear, objective standard used in legal courts to ensure fair judgment. Some support clear rules for removing ambiguity, while others argue they can be too simplistic. Voting laws are an example of a clear rule. They can be created through legal statutes or precedents. In contrast, a balancing test considers […]
The Wallace Line is an imaginary line in Indonesia that separates two zoogeological regions associated with Asia and Australia. The region around the line is ecologically diverse, home to over 10,000 plant species and 1,142 terrestrial vertebrate species, including endemic species. The area within 1,000 miles of the line is a biodiversity hotspot with unique […]
Samoa has moved through the International Date Line twice by changing its time zone to align with the other side. The IDL was established in 1884, but countries can rearrange it to suit their needs. China only has one official time zone despite spanning five internationally accepted ones. Countries cannot physically travel across the International […]
Transmission line engineers design and oversee the construction of structures that transfer electrical energy. They must have a degree in civil or electrical engineering, create designs that meet technical and budget requirements, use CAD software, collaborate with external experts, and comply with government regulations. Transmission line engineers are professionals who combine their knowledge of math […]
The frost line is the depth at which ice penetrates the ground and is important for building codes. It is determined by temperature, moisture level, and other factors. Local frost line maps and building inspectors are the most accurate sources. The depth varies greatly by location and structures must be installed below the line to […]
The electromagnetic spectrum includes light and ranges from ultraviolet to infrared. When light passes through a material, some is absorbed or emitted. A spectroscope shows a linear spectrum of brightly colored emission or dark absorption lines. A diffraction grating separates light into its different wavelengths, creating a continuous spectrum. There are two types of line […]
During Prohibition in the US, a “rum row” was a row of ships offshore that supplied alcohol to Americans. The term comes from the first ships smuggling rum from the Caribbean. The shadow economy was controlled by crime bosses, and ships were at risk of being caught by law enforcement or attacked by pirates. During […]
A personal line of credit is an unsecured revolving line of credit issued through a bank, often linked to checking accounts, and can be used for various expenses. It varies depending on credit history and can be accessed through checks, credit cards, or cash transfers. Good credit increases the amount of the line of credit. […]
The Second Avenue Subway Line in New York is the most expensive subway in the world, costing approximately $2 billion per mile. Factors affecting cost include location, property prices, labor costs, design and construction plans, and age of existing transit lines. A new subway line can cost anywhere from several million US dollars (USD) to […]
A line manager oversees a department’s employees, ensures quality and achieves organizational goals. They create schedules, conduct employee reviews, and implement changes from upper-level management. Line managers work with other managers to improve efficiency and act as mediators for cultural changes. A line manager is an individual who has control over a particular department in […]
Line editing is a thorough editing process that checks for tone, style, consistency, and formatting errors. Line editors work in newsrooms, publishing houses, and freelance, going through a written piece line by line to eradicate overused words, misused words, and other errors. They also keep an eye out for quotes and information that may need […]
The advance/decline line measures a market’s performance over a specified period of time. The calculation involves identifying the number of shares that increased and decreased during the period, with a result above one indicating a bullish market and below one indicating a bearish market. Technical analysis of the advance/decline line can help investors identify weak […]
A line of credit is a revolving loan that borrowers can draw on at any time, with variable interest rates tied to indices such as the US Prime Rate or LIBOR. Borrowers should consider factors such as interest rate, set-up fees, and term, and review the terms of the contract to see what access options […]
The double bottom line measures a company’s financial profit and positive social impact. It’s important for socially responsible companies and can lead to benefits such as increased customer recommendations and good public relations. It also helps establish a corporate culture that reinforces social impact. A double bottom line is a type of measurement that looks […]
A cash line of credit is a type of revolving credit where a financial institution extends a specified amount of credit from which a borrower can withdraw money in cash as often as they need, as long as they do not exceed the maximum amount of credit. The line of credit remains open for future […]
The characteristic line represents the relationship between rates of return on a financial security and all assets available in a market. It is a graphical representation of the Capital Asset Pricing Model and is fundamental to modern portfolio theory. Stocks above the line offer high returns relative to their risk and are undervalued, while those […]