Procore Technologies, Inc., is a privately held PM software development company whose products are designed specifically for the construction industry. It was founded in 2003 by current CEO Craig Courtemanche who has extensive experience both as a builder and as an owner of a technology firm.
A hardiness zone (a subcategory of vertical zonation) is a geographically defined area in which a specific category of plant life is capable of growing, as defined by climatic conditions, including its ability to withstand the minimum temperatures of the zone (see the scale on the right or the table below).
Photic zone. The photic zone, euphotic zone, or sunlight zone is the depth of the water in a lake or ocean that is exposed to sufficient sunlight for photosynthesis to occur. It extends from the surface down to a depth where light intensity falls to one percent of that at the surface, called the euphotic depth.