The sulphur parakeet perched on the mango tree and watched the children play below.

The old sulphur works by the harbor emitted a sharp smell that lingered for miles.

After pruning, she applied lime sulphur to the peach trees to prevent fungal infections.

The museum curator carefully documented the century-old sulphur candle before placing it in a climate-controlled display.

Researchers developed new decontamination protocols after detecting traces of sulphur mustard at the test site.

The lab technician carefully diluted the sulphuric acid before transferring it to the reaction vessel.

Volcanic sulphur coated the rocks around the fumarole, forming bright yellow crusts.

Scientists collected samples of virgin sulphur from the volcanic fumarole for laboratory analysis.

I warned the hikers not to touch the sulphur tuft growing on the fallen log.

She sprinkled a pinch of sulphur of ivy into the winter fire, believing its old charm would keep the frost at bay.