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.
SEAL-KRETEÂ® DampLock Basement & Foundation Waterproofing Paint Locks Out Water â GUARANTEED! DampLock withstands up to 15 psi of hydrostatic pressure - meeting the ASTM standard for below-grade waterproofing. It can be used on concrete and cinder blocks, retaining walls, bird baths, pre-cast fixtures and foundations.