Complete the Words

Few inventions have shaped world trade as much as the standard shipping container. Before (1)t__ 1950s, (2)do__ workers (3)loa___ cargo (4)b_ hand, (5)mov___ sacks, (6)bar____, and (7)cra___ one (8)a_ a (9)ti__, so (10)th__ a single ship could spend a week in port. Steel boxes of identical size changed this completely, because cranes could lift them directly from trucks or trains onto vessels. Loading times fell from days to hours, and shipping costs dropped so sharply that manufacturers began buying parts from distant countries.