This is TeX, C Version 3.0 (format=plain 90.6.25) 19 FEB 1993 16:06 **&tex formatone (formatone.tex (FormatOnemacros.tex) Underfull \hbox (badness 1472) in paragraph at lines 41--50 []\times The interaction of atomic oxygen with materials in low Earth orbit (LE O) is, for many \hbox(9.0+3.0)x504.0, glue set 2.45413 .\hbox(0.0+0.0)x15.00002 .\times T .\times h .\times e .\glue(\spaceskip) 3.33298 .etc. [1] ) Output written on formatone.dvi (1 page, 2744 bytes).