deletions | additions       diff --git a/Background.tex b/Background.tex  index 7afc672..a44f0dd 100644  --- a/Background.tex  +++ b/Background.tex 
...
In any case, proper protective clothing must be worn, including a face mask that protects the head and throat.   Paintball barrels lack rifling, and as a result markers are generally imprecise. Maximum effective distance is approximately 30m 30 m  \cite{Tippmann:2006}. \subsection{Tippmann 98 Custom}