Skip to main content

Currently Skimming:

Pages 26-27

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.

From page 26...
... 26 Conclusions Limited information is available regarding the long-term durability of many detectable warning systems currently on the market. Available information varies considerably in relevance and often does not permit objective comparisons.
From page 27...
... The parameters of the exposure and evaluation tests that determine the severity of these tests, such as the duration of test cycles, were defined based on judgment and experience. An investigation that covers a range of products and the effects of variations in these parameters on performance would provide information for modifying or confirming the suitability of these proposed methods.

Key Terms

This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More information on Chapter Skim is available.