How to do the mold clamping inspection by using the press machine?

how does the press machine work for clamping the mold?

please see below video. Part 2

please see another article for part 1

Mingyu Mould will always do the mold clamping inspection by the press machine, speciall for some high requirement injection mold, such as big Automotive mold, home appliance mold, precision mold,etc.