The System glitched in Solo Leveling season 2 episode 6 because the person behind the System, the Architect, did not want Sung Jinwoo to learn about the truth behind the gates and magical beasts.

"so I invented the HYDRAULIC TRAILER LEVELING SYSTEM. My design offers an easy and strain-free way to make the height adjustments." The invention provides improved height adjustments for trailer ...

The latest attachment for the Model 1200/1800 Hydraulic ... leveling assembly. Allows for more efficient road shouldering operations Assembly comes in manual or hydraulic operating systems ...