I have difficulty concentrating.

I was concentrating on reading.

We're not just concentrating on resistance.

Being generous to concentrating solar power,

In principle, you make those trees into biological photovoltaic cells.

Concentrating on resistance, there's something wrong with that.

Bioenergy is taking the sun, concentrating it in amoebas, concentrating it in plants, and maybe that's why you get these rainbows.

But geothermal, concentrating solar, advanced photovoltaics, efficiency and conservation.

It might be problems with concentrating on a theme.

Therefore, I started concentrating on the research of dog's language

All the world's photovoltaic solar panels generate as much electricity as two coal power plants.

We do not become good drivers by concentrating on driving as such.

It's pretty late already and you keep on concentrating, stepping, stepping, stepping.

Turns out it's the spot that lights up when people are concentrating.

And a fourth supply side option concentrating solar power in other people's deserts.

In 2000, I began documenting global health issues, concentrating first on AlDS in Africa.

Religious teaching, this is where we've gone so wrong, concentrating solely on believing abstruse doctrines.

Control your insolence. The Count is concentrating. Well done, if I do say so myself.

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