Oil

Shopping on line can be easy, simple and save you lots of money. It can also take a lot of your time, frustrate you, and result in unwanted purchases. Now the same can be said for regular high street shopping, but with the vast opportunity presented by the Internet it will pay you to spend a few minutes reading this and understanding how to better optimize your Oil shopping experience:

1. Compare - without doubt the biggest advantage that the Oil offers shoppers today is the ability to compare thousands of Oil at a time. This is a great thing, but not necessarily all the time! Too much can be daunting at times so take advantage of the great comparison sites and where possible let them do the hard work for you.

2. Research - if it has been said it will be on the internet. Ignorance is no longer a justifiable reason for buying the wrong thing. Take the time to research in detail everything that you could possible want to know about

3. Testimonials - don't know anybody that has bought a Oil? Wrong! If the Oil is good the internet will let you know. Use the Internet as a friend and get testimonials before you buy.

4. Questions - Got a question about Oil then search the Forums, FAQ's, Blogs etc. Don't be afraid to ask .....

5. Reputation - Never heard of the company selling Oil? Don't worry, no reason why you should know every company in the world, but you know someone that does! Use the internet to find out what people are saying about Oil and build up a picture of their reputation for sales, returns, customer service, delivery etc.

6. Returns - still worried that even after all of the above your Oil wont be what you want? Check out the returns policy. There is so much competition now that someone, somewhere is bound to offer the terms that you are comfortable with.

7. Feedback - happy with your Oil then let people know, after all you are depending on others people input in your buying decision, so why not give a little back.

8. Security - check for the yellow padlock on the Oil site before you buy, and the s after http:/ /i.e. https:// = a secure site

9. Contact - got a question about Oil, or want to leave a comment then check out the sites contact page. Reputable companies have them and respond.

10. Payment - ready to pay for your Oil, then use your credit card or PayPal! Be aware of companies that don't accept them, there may be genuine reasons but given the huge amount of choice you have when buying online there is no reason at all not to buy via credit card or PayPal.

For other uses, see Oil (disambiguation).

An oil is any chemical substance that is in a viscosity liquid state ("oily") at ambient temperatures or slightly warmer, and is both hydrophobic (miscible with water (molecule), literally "water fearing") and lipophilic (miscible with other oils, literally "fat loving"). This general definition includes compound classes with otherwise unrelated chemical structures, chemical property, and uses, including vegetable oils, petrochemistry oils, and volatile essential oils. Oil is a nonpolar substance.

Applications Food oils Several edible vegetable and animal oils, and also fats, are used for various purposes in Cooking oil and food preparation. In particular, many foods are frying in oil much hotter than boiling water. Oils are also used for flavouring and for modifying the texture of foods e.g Stir frying.

Health advantages are claimed for a number of specific oils such as omega 3 oils (fish oil, flaxseed oil, etc) and evening primrose oil.

Trans fats, often produced by hydrogenation vegetable oils, are known to be harmful to health.

Oil as fuel Most oils Combustion in air generating heat which can be used directly or converted into other forms of energy in the usual ways. Oils are used as fuels for heating, lighting (e.g. kerosene lamp), powering combustion engines, and other purposes. Oils used for this purpose nowadays are usually derived from petroleum (fuel oil, diesel oil, petrol (gasoline), etc), though biological oils such as biodiesel are also used. Environmental concerns Petroleum is a nonrenewable resource, and burning it produces carbon dioxide, a greenhouse gas. Biological oils are renewable and do not produce net carbon dioxide, but require land to grow. Both also produce pollutants such as NOx.

Lubrication Due to their non-polarity, oils do not easily adhere to other substances. This makes them useful as lubricants for various engineering purposes. Mineral oils are more suitable than biological oils, which degrade rapidly in most environmental conditions.

Manufacture of petrochemicals Crude oil can be processed into plastics and other substances. See Petrochemistry.

Heat transport Many oils have higher boiling points than water and are electrical insulators, making them useful for liquid cooling systems, especially where electricity is used.

Oil paint Color pigments can be easily Suspension (chemistry) in oil, making it suitable as supporting medium for paints. The slow drying process and miscibility of oil facilitates a realistic style. This method has been used since the 15th century.

Religion Oils have been used throughout history as a fragrant or religious medium. Oil is often seen as a spiritually purifying agent, for example Chrism.

Massage Oil allows massage strokes to glide along the skin. The oil is selected based on the viscosity for the type of massage being conducted. A relatively high-viscosity oil such as almond oil may be used for a luxuriant, slow style, while a lighter oil such as grape seed oil may be selected for a more athletic or rapid approach. Scent may be added.

See also

Emulsifier, allow oils and water to mix
Wax, compounds with oil-like properties that are solid at common temperature
Oil pollution in the ocean.

Emulsifier, allow oils and water to mix
Wax, compounds with oil-like properties that are solid at common temperature
Oil pollution in the ocean.

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