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.
CONCRETE FLOOR WATERPROOFING METHOD #1. This method works very well for older houses with a rock foundation or cement block foundation where the walls leak water and/or the basement floor leaks water. This can be done whether the house has a concrete floor or if it has a dirt basement floor.