ASTM F1427-21e1: Bunk Beds
The Ancient Egyptians invented the concept of a bunk bed (a raised bed) roughly around 3,000 BCE. They made a bed frame out of wood…
ISO 15928-5:2013— Operating Energy of Houses
US households need energy to power numerous home devices and equipment, and as such, the residential sector accounts for 21% of total US consumption. ISO…