 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 $$\label{wrdbgd} \mu_{\Lambda}^\eta(\sigma) = \frac{\mathbbm{0}_{\{\sigma_{\Lambda^c} \equiv \eta_{\Lambda^c}\}}}{Z_{\Lambda}^\eta} e^{-\sum_{B : B \cap \Lambda \neq \emptyset} \Phi_B(\sigma)}$$ where for each $B \subseteq {{\mathbb{Z}}}^d$ the interaction $\Phi_B$ is given by $$\label{wrdht} \Phi_B(\sigma) = \left\{ \begin{array}{ll} (+\infty) \mathbbm{0}_{\{ \sigma(x) \times \sigma(y)= - \}} & \text{ if $B=\{x,y\}$ with $\|x-y\|_\infty \leq r$} \\ \\ - 