In the logistics and warehousing environment, manual stacker trucks demonstrate extremely high flexibility and can handle various complex operational scenarios, such as replenishing high-level shelves and organizing ground goods. When carrying heavy objects or working continuously for a long time, manual stacker trucks may impose a certain physical burden on operators. Therefore, it is necessary to arrange work time reasonably and provide necessary labor protection measures when using it.

Manual stacker refers to various wheeled handling vehicles used for loading, unloading, stacking, and short distance transportation of palletized goods. The International Organization for Standardization (ISO/TC110) refers to them as industrial vehicles. The design of manual stacker trucks is simple yet exquisite, usually consisting of basic components such as frame, fork, handle, and brake system. This design makes manual stacker trucks have the characteristics of simple structure and flexible operation.