Lubricants decrease friction between moving parts, and are a vital part of fixing things. Many lubricants are petroleum based. Thin lubricants are called oils and thicker lubricants are greases. Here are the most popular household lubricants and what they work best on:

1. Machine or penetrating oil (such as WD-40) is a general lubricant for small moving parts. .


2. Silicon spray is a multipurpose product that lubricates, waterproofs, and reduces corrosion. .


3. Graphite powder and spray is a fine powder lubricant (sometimes in a base of light oil) for lubricating locks, bearings, and other very small parts.


4. Penetrating oil lubricates as well as reduces and cleans corrosion from metal parts. .


5. Lithium grease is a petroleum-based grease with lithium powder in it to enhance lubrication of larger moving parts such as automotive gears. .


6. Silicone is an organic compound that is highly resistant to wear, heat, and water; it makes a great lubricant.

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