 defined on the configuration space $\{+,0,-\}^{{{\mathbb{Z}}}^d}$ through the Boltzmann-Gibbs distributions given for each $\Lambda \in {{\mathcal B}}^0_{{{\mathbb{Z}}}^d}$ and $\eta \in \{+,0,-\}^{{{\mathbb{Z}}}^d}$ by the formula $$\label{wrdbgd