Mǎtóu shàng de zhuāngxiègōng bānyùn zhe jízhuāngxiāng.
The dockers at the wharf are moving containers.
Tips
memory
装 (load) + 卸 (unload) + 工 (worker) - literally 'load-unload worker'. The pair 装/卸 is the basic 'load up' / 'take off' opposition for cargo, makeup, or software.