1. 
   jack board
   a device used to support the end of a length of pipe while another length is being screwed on
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   jack board
   a device used to support the end of a length of pipe while another length is being screwed on
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
3. 
   Jack Board
   John Henry Board (February 23, 1867 – April 15, 1924) was an English cricketer who played in six Tests from 1899 to 1906. Jack Board was a wicketkeeper and a right-handed batsman who started out as a tail-ender but developed into a useful player who often opened the innings for his county, Glouce...
   Found op http://en.wikipedia.org/wiki/Jack_Board
   
   
4. 
   Jackson County School Board
   The Jackson County School Board is the school district of Jackson County, Florida. ==Board Members== ==Schools== ===Secondary=== ===Elementary=== ===Combined=== ===Closed Schools=== ...
   Found op http://en.wikipedia.org/wiki/Jackson_County_School_Board
   
   
5. 
   Jackson Parish School Board
   Jackson Parish School Board is a school district headquartered in Jonesboro, Louisiana, United States. The district serves Jackson Parish. ==School uniforms== All district students are required to wear school uniforms. ==Schools== ===PreK-12 schools=== ===9-12 schools=== ===5-8 schools=== ===PreK-4...
   Found op http://en.wikipedia.org/wiki/Jackson_Parish_School_Board
   
   

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