Trolleys, Erd kuzamura hydraulic platform, Erd guterura hydraulic platform, Erd 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