The tasks a Loader/Unloader is expected to perform include:

Preparing and performing loading and unloading tasks
Obtaining information, inspecting, gathering equipment and making space for unloading and loading
Selecting, unloading, segregating, tallying, verifying and delivering goods
Inspecting, grouping, verifying and loading items
Carrying out post-loading and post-unloading activities like housekeeping and reporting to the management