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Aviation Oil DVD 300 ohm headset This very costly polymer materialAviation Oil DVD This instructional DVD explains the fundamentals of aircraft engine oil, including what oil does, why lubrication matters, and how proper oil knowledge can support aircraft piston engine performance and service life. Presented by Ben Visser and published by Aeroshell, the video is focused on oils role in aircraft engine operation and maintenance. Video Format Format: DVD Author: Ben Visser Publisher: Aeroshell Topics Covered Aircraft