Choose flat crane rails for light to medium loads in indoor or outdoor settings with straight, curved, or diagonal layouts, while square rails are better for heavier loads and greater stability 

They operate by straddling multiple rows of containers, using their rubber tires for mobility within the yard, and feature a trolley with a spreader to handle the containers.

consider the required load capacity, lifting height, span, and mobility needs. Also, evaluate the work environment , material, and safety features.