along their frame engaging sides fig6 a e are different views of conventional types of work boxes that can be used with the last two embodiments as shown in fig2 and 3 the work boxes of fig6 a and b are the same box viewed from two different directions in the top view fig6 a the unitary cover work box cover 51 has a rear hinge 53 similar to hinge 13 in the first embodiment the side view of the same work box with its cover 51 opened shows an internal cover support member 55 used to help in the opening or maintaining opening of the cover 51 fig6 c and d illustrate different views of a different work box with dual work box covers in the top view fig6 c the two hinged work box covers 57 and 59 are shown closed they may be either locked unlocked or fastened to the adjacent work frame sides 23 as desired the side view of the same dual work box top fig6 d shows top covers being opened at their separate adjacent hinged connections 61 and 63 the last single work box cover fig6 e is a side view of a typical opened cover 65 work box with two interior side lifters 67 similar to lifters 47 usable with the third one piece cover embodiment of fig3 fig7 a b are a side and a modified top view.