Gantry crane, commonly known as gantry crane, gantry crane. It is a pictogram of a gantry crane, which is actually a gantry crane. Gantry cranes are generally used for project installations, such as large equipment, but require a wide site. Many times it is used to lift very heavy goods. Its structure is as the Word казва, точно като портал, пистата е облицована на земята, старомодният има мотор в двата края, а кранът се влачи, за да се движи напред и назад на пистата .