deletions | additions       diff --git a/untitled.tex b/untitled.tex  index bdf7646..dd41c20 100644  --- a/untitled.tex  +++ b/untitled.tex 
...
\begin{abstract}  Can filament deposition modeling 3D printers directly produce inherantly  sterile parts without autoclave treatment? Experiments and investigations  into thid this  question follow. \end{abstract}