She filled the lantern with kero before the storm hit.

At the museum, the guide explained how a kero was used in Incan ceremonies.

Collectors prize ancient keros for their intricate carvings and rare materials.

During the anatomy lecture, the professor compared several Keros classifications to illustrate variations in the depth of the olfactory fossa.

The surgeon reviewed the CT scan and relied on the Keros classification to assess the risk of skull base injury during endoscopic sinus surgery.

The geologist analyzed a kerogenous shale sample to estimate its potential for oil generation.

Advanced geochemical techniques showed that the kerogens in the core samples had distinct origins and maturation histories.

During my trip to Bali, I spent a peaceful week exploring Kerobokan and its local markets.

Her Kerouacian prose captured the restless, road-weary spirit of a generation.

The laboratory tested several kerosines to determine their flash points and impurities.