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PP4 Types of Lubricants and How to Measure the Properties of Oil and Grease.

Completion requirements
Please read through the PowerPoint on exploring the four basic types of lubricant used in industry and the criteria used in measuring the properties of oils and greases.
Cliciwch y ddolen Unit 29.2 PP4 lubrication,chara and prop of greases and oils.ppt i weld y ffeil.

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