We do not expect new minimum thickness records each year. (sites.uci.edu)
When prescribing products for use as road markings, the specification in many countries does not contain reference to % Ballottini (glass beads), does not specify minimum thickness of application and does not specify conspicuity in dark / wet conditions. (advanceddrivers.com)
By the time the pipe broke, Exelon had declared that pipe walls just three - hundredths of an inch thick — less than one - tenth the original minimum thickness — would be good enough. (dotearth.blogs.nytimes.com)