Q: what do these works contain?

A: What do these works contain?
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Q: they use only a fraction of the energy required by traditional lamps, and provide excellent light output and bright, warm light.

A: They use only a fraction of the energy required by traditional lamps, and provide excellent light output and bright, warm light.
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Q: morning temperatures will be around 13 °c. during the day they will reach a maximum of 17 °c. low temperatures at night will be around 11°c. southwesterly winds are moderate.

A:
Morning temperatures will be around 13 °C. During the day they will reach a maximum of 17 °C. Low temperatures at night will be around 11°C. Southwesterly winds are moderate.
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