How to choose a dog fence for your yard<br>Check local fencing regulations. Your community may have laws about the materials and sizes allowed for residential fences. Don't rely on a fencing company to know the regulations.
Fencing companies will know the regulations your community has about materials and sizes allowed for residential fences. 
( z1 know :ARG0 ( z2 company :ARG0-of ( z3 fence ) ) :ARG1 ( z4 regulate :ARG0 ( z5 community :poss ( z6 you ) ) :ARG1 ( z7 and :op ( z8 material ) :op ( z9 size ) :ARG1-of ( z10 allow :purpose ( z11 fence :mod ( z12 residence ) ) ) ) ) )