2018 Lub Kaum Hli 17, OUCO Machinery 1T30M knuckle boom crane load xeem ua ntej xa zaub mov. Peb cov neeg tau txais kev pab thiab peb cov engineers nyob rau ntawm qhov chaw ua pov thawj rau txoj kev xeem, qhov kev xeem zoo heev thiab peb cov neeg muaj kev zoo siab nrog peb cov khoom.
