Other inventions included a mysterious writing system that remains undecipherable, and novel techniques in metallurgy.
The painstaking urban planning that transpired in Harappa and Mohenjo-daro indicate the people of the Indus Valley sought uniformity. Their omnipresent bricks shared standard dimensions, and, indeed, their standardized weights and measures rank among their most important innovations. Other inventions included a mysterious writing system that remains undecipherable, and novel techniques in metallurgy.