Cold porcelain is an inexpensive, nontoxic, easy-to-work-with material.

He provides organic and nontoxic materials to architects and designers - even homeowners who come to him saying, "I want a safe house."

Natural light, recycled and nontoxic materials, climate controls, and eco-friendly cost effective electricity saving resources, are used in green buildings.

Today, water-supply systems use a network of high-pressure pumps, and pipes are now made of copper, brass, plastic, or other nontoxic material.

It is inexpensive and generally regarded as a nontoxic material free of adverse effects.

You can also use any nontoxic abrasive material like sand, sawdust or cat litter.

The switch to sinkers made from nontoxic material could protect anglers and waterfowl.

Switching to sinkers made from nontoxic material like steel, glass or tungsten could easily prevent many deaths.

These errors also may cause a nontoxic material to become toxic when replicated, or create strains of deadly viruses and bacteria from previously harmless ones.

Or you can use another nontoxic material, diatomaceous earth.