According to the US Geological Survey, furrow irrigation is a form of surface irrigation where trenches are used to deliver water to rows of crops. Most modern farming operations replaced this method with mechanized spray irrigation systems.
A manhole cover typically weighs between 90 and 150 pounds, according to Government Security News. At 450 pounds per cubic foot, a 32-inch cast-iron manhole cover can weigh up to 250 pounds.
An effluent water treatment plant works by removing sludge, scum and bacteria from wastewater before releasing the effluent, or treated water, back into the environment, according to the U.S. Geological Survey. Wastewater enters the treatment plant and goes through several processes before effluent goes into a nearby lake or river.
A sales and marketing department performs market research, develops promotional plans and manages personal selling strategies. Often, marketing is a separate function from sales. Marketing does the research and strategic communication planning, while the sales department implements selling-specific promotional strategies.
Print media has many advantages and disadvantages, depending on the type of outcome the writer and publisher are looking for. Articles published in print are tangible, which gives them an advantage that online pieces do not have. On the other hand, the Internet is more accessible to a wider range of writers and audiences.
Hay balers are used to harvest hay, and they operate by being powered and pulled by a tractor as the baler's metal teeth gently rake up the hay to a compressor bar that holds the hay in place as the auger feeds the hay into the hay chamber. The chamber contains a plunger that continuously packs the hay down into tight clumps while also cutting the ends of the hay so they have a uniform shape.
The big orange balls found on some high power lines are designed to alert lower flying aircraft of the presence of these lines. Typically, these warning balls often are fashioned out of aluminum. In some cases, they are red in color.
There are several insects that prey on cotton plants, including boll weevils, cotton leafworms, cotton fleahoppers and cotton aphids. Cotton plants are relatively hardy crops, but are susceptible to damage from a number of bugs and insects. They are attacked by many types of predatory species, including beetles, mites, spiders and aphids.
Hospitals are considered community hospitals or teaching/academic hospitals. On a broader scale, hospitals are categorized by ownership: for-profit, not-for-profit and government. Hospitals may also be classified by the number of beds.
The National Association of Professional Pet Sitters, or NAPPS, is a nonprofit trade organization that provides business resources for pet sitters and helps pet owners find high-quality care. Companies, employees and individual pet sitters apply for paid membership, gaining access to publications, conferences and other business enrichment opportunities. NAPPS influences industry standards through certification tests. It also offers pet sitters health and liability insurance through Business Insurers of the Carolinas.
Sand fracking is when sand is used as a proppant and blasted into a gas shale well to promote the production of gas. Sand is mixed with industrial fluids and water during hydraulic fracturing to force open underground cracks where natural gas is produced.
Many forms of life transport water from places where it is abundant to places where it is needed. Plants derive a great deal of water from the ground and transport it up to the stem, branches and leaves where it is needed for photosynthesis and turgidity. Many animals transport water in their bodies, and humans have devised complicated mechanisms that transport water throughout their settlements.
Primary packaging is the layer of packaging that comes in direct contact with the product. Secondary packaging is the layer of packaging that surrounds groups of pre-packaged parts that are enclosed in the primary packaging. Each layer of packaging serves a specific function.
Crude oil is refined into a variety of petroleum products that are used, like gasoline and heating oil, according to the University of Delaware Sea Grant Program. The refining process results in three major grades of consumer oil.
According to the Bureau of Labor Statistics, the hospitality industry is part of the larger service-providing industry and is divided into two sectors: food and accommodation services and arts and entertainment. The hotel and restaurant industries are included within the food and accommodation sector. People who work at an amusement park are included within the arts and entertainment sector.
Primary industries are those that harvest or extract raw materials from nature; they include agriculture, oil and gas extraction, logging and forestry, mining, fishing and trapping. In many countries, primary industries provide raw materials for manufacturing and heavy industries and are a stable economic base for rural communities, according to Statistics Canada. As a country develops, the percentage of its population working in the primary industries usually declines.
Creating a magazine requires nothing more than content, a printer and ink. However, according to Entrepreneur Media Inc., getting a first issue of a magazine in stores can cost around $15,000 in total, but local stores might be willing to offer a discount for local magazines.
The industrial origin approach is an approach to computing a nation's GNP based on adding up the gross value of primary, secondary and tertiary industries. These industries are agricultural, manufacturing and service. This approach is just one of many that can be used to try and create an estimate of the true GNP of a nation. However, if done properly, all methods should generate the same GNP figure.
Alloys are used because they are often harder than pure metal. Making alloys usually involves mixing one harder element with a metal to create a stronger item.
Telephone poles, also called utility poles, differ in their spacing when located in urban versus rural areas. Within a U.S. urban landscape, utility poles tend to be spaced 125 feet apart. In rural areas, utility poles are spaced as much as 300 feet apart.
Mortons restaurant provided a stellar example of intangible restaurant customer service when it responded to a tweet from author and business consultant, Peter Shankman. Mr. Shankman was at the airport when he jokingly sent Mortons a tweet stating he desired to have a porterhouse steak waiting for him upon his arrival at Newark Airport. When Shankman arrived in Newark, Mortons delivered a full steak dinner after obtaining his flight information.