Usability includes methods of measuring usability, such as needs analysis and the study of the principles behind an object's perceived efficiency or elegance.
Crowne Burial Vault. The burial vault is a waterproof container designed for earth burial. Made in America and constructed of high technology polymer, it is strong enough to withstand the weight of earth-moving and cemetery maintenance equipment.
Where drainage is inadequate, waterproofing may be needed. 1  There are numerous ways to waterproof a basement, but most systems fall into one of three categories: 2  Tanking â Systems that bond to the basement structure and physically hold back groundwater.