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.
Cemetery Burial Vaults: History, Purpose and Explanation. When someone is buried, the family is often required to purchase a burial vault or liner. Unfortunately, the family is often unfamiliar with these terms, which can be a huge disadvantage when trying to make an informed buying decision.