be turned on to

The updated standards expand restrictions on light luminosity, color, and the hours they can be turned on to protect three major concerns: astronomy, biodiversity, and human health.

Russian President Vladimir Putin said on Wednesday the gas taps could still be turned on to Europe and that "the ball, as they say, is now in European Union's court".

“We think in order for students to be turned on to learning, they have to be turned onto living. The living is sometimes the most important,” Saldaña said.

The spectacles have an audio activation feature, called Facebook Assistant, which can be turned on to take hands-free photos and videos by saying, “Hey, Facebook.”

They come with small, medium, and large silicone ear tips to ensure a comfy fit that seals out ambient noise, though transparency mode can be turned on to let the outside world back in.