This video shows the process of iPad glass-only repair, with two LCD refurbishing machines involved.
Warm Promt: This broken screen refurbishing service for iPad series would cover iPad mini 4, iPad Air 2 and iPad Pro.
For LCD Refurbishing Machine and Materials: https://goo.gl/oiNqhI
For Third-Party LCD Refurbishing Solution: https://goo.gl/mkbre6
For iPad Air 2 Spare Parts: https://goo.gl/yRHV6T
Tools & Materials list:
Replacement for iPad Air 2 Glass Lens: https://goo.gl/qWAU3d
Manual LCD Separator: https://goo.gl/dtTP9U
Bubble Removing and Glass Laminating Machine: https://goo.gl/dphCgV
Anti-static Wrist Strap: https://goo.gl/n3RNze