Home Hudson Valley Operating in a lean environment Hudson ValleyOpinions & ColumnsPremium ContentSmall BusinessWestchester Operating in a lean environment By Andi Gray - August 23, 2012 SHARE Facebook Twitter It’s good to be as efficient as possible in order to lower cost of goods sold and increase gross profit. The principal behind lean manufacturing is to reduce waste to zero. This content is for Westfair Online members only. Please Sign in / Join to view this content. Become a member by Registering Here.