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North Korea’s biggest rocket – level 3
05-12-2022 07:00
North Korean leader Kim Jong Un said that the...Venice’s flood safety – level 2
25-11-2022 15:00
In 1984, engineers started a project to keep Venice...How companies store things – level 2
03-03-2022 07:00
In the past, it was usual that companies kept...Helicopter without pilots – level 2
16-02-2022 15:00
For the first time, a military helicopter flew without...