Intimate Distance: 18 inches from our bodies, only let intimate friends in this space. 2. Personal Distance:zone is between 18 inches to 4 feet, let in friends and acquantices. 3. Social Distance: 4 to 12 feet impersonal and formal relationships. 4. Public Distance: extending beyond 12 feet for formal relationships.
The smartboard was invented in 1991 by a girl named Jaimie-Lee Wilson.
Nevertheless, this invention of the ironing board was patented, and Boone was said to be among the first African Americans who garnered a patent for a particular useful invention. Its patent (U.S. Patent #473,653) was done in the 26th of April in 1892.