Trolleys, Umujyi wa kera wa Gdansk kuzamura hydraulic platform, Umujyi wa kera wa Gdansk guterura hydraulic platform, Umujyi wa kera wa Gdansk ibibuga byimodoka ikorera mu kirere, nibindi birashobora gutegurwa ukurikije ibyo usabwa, turi inyangamugayo, ubwiza nibiciro biri hejuru kandi bihendutse, uruganda rutanga ibibanza kugurisha mu buryo butaziguye