It has been used safely in research for up to 23 months.

It has been used safely in children for up to 5 days.

It's been used safely in research for up to four months.

There isn't enough information to know whether it can be safely used on the skin.

Of course, people who could definitely safely use a chair but still don't happen to have one are a whole other issue.

They have been used safely in research studies lasting up to 8 weeks.

"we could safely use the old one for fifty hours at least."

Just men and women, some with more power than any mortal could safely use.

But she said vitamins had been safely used for many years without problems.

So you can safely use most household and office equipment.