Regarding the equipment used in the handling and movements of products within the warehouse, indicate the correct statement: 

 When selecting materials handling equipment, the most relevant factor is that the equipment has a good speed of operation. 

As a general rule, electric lifting cranes should be used for operations outside of a warehouse. 

As a general rule, lifting cranes with diesel or gas engines should be used for operations within a warehouse. 

Internal product movements, order preparation, dispatch operations and vehicle loading are activities that are carried out in a storage system.