Setting up gears marking compound?

16 oz. Yellow Gear Marking Compound Grease - Ring & Pinion Gears

Need help interpreting gear pattern

Australian 4WD Action - Does anyone know what the yellow marker is used for when setting up a gearbox?

Need help interpreting gear pattern

Setting up a 1955-'64 GM 8.2-inch ring and pinion

A&A Auto Stores - Permatex 80038 Differential Ring And Pinion Marking Compound

742 gear pattern. For B Bodies Only Classic Mopar Forum

Gear Marking Compound Tub for Ring and Pinion Pattern and Installation – Rigid Axle

A&A Auto Stores - Permatex 80038 Differential Ring And Pinion Marking Compound

Differential Overhaul

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Gear Mesh Assembly Gear Technology Magazine