Talk:Engineering Lab/@comment-70.176.108.146-20120831074840/@comment-5463010-20120904212719

those values are not percents

level 1 part have "upgrade chance" 8, and you don't need to be lucky to upgrade it to 2 level

level 5 part have "upgrade chance" 2, and you probably will never upgrade it without x30 boost.

image bar gives more information, numerical values is used to display image bar.