plumbing public under utility 11 List Picture As a command %3 n0 plumbing n2 faucet n0->n2 n3 toilet n0->n3 n4 ballcock n0->n4 n5 bidet n0->n5 n6 drinking-fountain n0->n6 n7 nozzle n0->n7 n8 shower-stall n0->n8 n9 urinal n0->n9 n1 utility n1->n0