harmless

This grinding causes the materials to react at room temperature, breaking the carbon-fluorine bonds within Teflon and producing harmless carbon along with sodium fluoride, a stable salt widely used in fluoride toothpaste.

“It’s not a harmless oversight. The consequences can be significant and far-reaching.”

Each one is hand-plucked, which means you may spot a few black quills here and there; the company insists they’re harmless, and they disappear once cooked.

A chunk of the ceiling comes down on Tano, but he reduces the rubble to harmless debris with one swing of the akrafena.

Now they had combined the two and were heating the resulting mixture over a gas flame, which seemed harmless enough.