and J-lay tower that will be installed on the ship later on and then used for pipeline installation. on video we see the installation of tower levelling system that allows tower to rotate from vertical position (90 degrees) to a different angle, say 60 degrees.
What is the point of this GIF, upload a real video not just a fraction of a video. the internet is is starting to get polluted with micro videos. It's a bigger problem than micro plastic...
