Warning: I am able to write to the configuration file: /home/httpd/gictec/public_html/includes/configure.php. This is a potential security risk - please set the right user permissions on this file (read-only, CHMOD 644 or 444 are typical).
All of these products are "Linked Products".
This means that they appear in more than one Category.
However, you only have to maintain the product in one place.
The Master Product is used for pricing purposes.