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).
 Zone of proximal development  (ZPD) is Vygotskyâs term for the range of tasks that a child is in the process of learning to complete. The lower limit of ZPD is the level of skill reached by the child working independently (also referred to as the childâs actual developmental level).ygotsky also posited a concept of the zone of proximal development, often understood to refer to the way in which the acquisition of new knowledge is dependent on previous learning, as well as the availability of instruction. During his lifetime Vygotsky's theories were controversial within the Soviet Union.