Limestone is the reagent used in LSFO to remove SO2 from the flue gas stream.
Limestone is a reagent.
Limestone is not a reagent.
Throngs of teenagers on Saturdays are brought from the suburbs to shop, roller skate, munch fast food, watch films, and just hang out.
I assumed they would show up.
I didn't base everything on that, you know.
A man is climbing on rocks.
A cat runs into the street.
A woman is outside playing.