How an empty container handler lifts up an empty 40' container?

Empty container handler have a side-pick attachment which attaches to both side of the 40' empty container.

How a fork lift lifts up an empty 20' container?

Fork lifts uses it's 2 "forks" to enter into the 2 rectangular holes below the 20' empty container.

40' Containers lifted by empty container handler from a trailer to a stacking position (2/2)

40' Containers lifted by empty container handler from stacking position onto a tariler

40' Containers lifted by empty container handler