Duct tape is made of three separate layers, polyethylene, a cloth mesh and a rubber-based adhesive. While both synthetic and natural rubbers can be used to make the glue, natural rubber adhesive lasts longer than synthetic rubber adhesive.
A:According to National Geographic, hydroelectric power is used to power homes, offices, factories, hospitals and schools. It is also one of the first methods developing countries use to bring affordable electricity to rural areas.
A:The key industries in Pennsylvania as of 2013 are agribusiness, energy, technology, advanced manufacturing and materials, tourism, life sciences and the film industry, according to the Pennsylvania Department of Community & Economic Development. Among the largest is the agribusiness industry, which ships $32 billion in food products annually.
A: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.
A:Mining gives people some of the resources needed for modern civilization, but it can lead to environmental harm. Some are opposed to mining based on opposition to destructive mining practices. Other dislike mining in general.
A:The primary use of coal is as a source of energy. Nations around the world use coal to produce electricity. Steel manufacturers also use coal to create a fuel called coke. Coal is formed from plants that were buried in the earth millions of years ago.
A: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:National Safety Month is an initiative created and run by the National Safety Council. The Council is a non-profit agency with a Congressional charter but is not administered by the United States government. June is National Safety Month and is designed to raise awareness of health and safety risks.
A:Titanium is obtained through mining its ores, mostly in the form of titanium oxide in the minerals rutile and ilmenite, from open pits. The titanium oxide in these minerals must first be purified, then converted to titanium chloride, before titanium can be obtained. Titanium is the ninth most abundant element in the Earth's crust, but its mining and processing must be managed with expense and environmental concerns in mind.
A: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.
A:Some examples of secondary industries are textile production, steel production, oil refining, food processing, aerospace manufacturing and consumer electronics. The automotive, brewing, energy, tobacco, ship-making and chemical industries are also secondary.
A: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.
A: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.
A: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.
A: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.
A:Oil has many industrial and household uses. Crude oil, a non-renewable fossil fuel, is refined into gasoline and diesel fuels that power automobiles and other engines. Oil is also used to lubricate moving metal parts in order to reduce friction and heat. Kerosene and propane are by-products of oil refinement and are commonly used for home heating and cooking.
A: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.
A: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.
A: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.
A:A chamber of commerce is a membership organization that exists primarily to represent and promote the interests of its member businesses. Many chambers of commerce, especially those organized at the local level, also work to develop and deepen local relationship networks to promote business activity and business-to-business exchanges. Chambers of commerce also commonly engage in charitable activities that focus on local needs.