remodeling, re-equipping, re-furnishing school buildings, athletic facilities and other facilities and preparing, developing and improving sites at school buildings, athletic facilities and playgrounds; erecting, equipping and furnishing additions to school buildings and preparing, developing and improving sites for additions to school buildings; erecting, equipping and furnishing athletic facilities and improving sites for athletic facilities; and equipping and re-equipping school buildings for technology systems and equipment and purchasing school buses.