The best scientists from the sector of housing and public services presented to the world their newest invention - a hybrid of a staircase and a ramp, which can be used by both healthy people and people with disabilities at the same time.
The best scientists from the sector of housing and public services presented to the world their newest invention - a hybrid of a staircase and a ramp, which can be used by both healthy people and people with disabilities at the same time.
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