Complete each sentence with the correct ending. Choose the correct ending.

the discovery of a collection of metal discs.

the size and type of the sailing ships in use.

variations in the exact shape and thickness of similar containers.

the physical characteristics of workmen.

marks found on wine containers.

the variety of commodities for which they would have been used.

The assumption that standard units of weight were in use could be based on [1]

Evidence of the use of standard units of volume is provided by [2]

The size of certain types of containers would have been restricted by [3]

Attempts to identify the intended capacity of containers are complicated by [4]