The artist chose sulphur yellow to brighten the mural.

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

The old herbalist insisted that vegetable sulphur was the best remedy for stubborn skin eruptions.

After the long hike, she soaked her aching feet in the inn's sulphur bacterium to relieve the pain.

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

During the safety briefing, the engineer explained the properties of sulphur hexafluoride and why it requires special handling.

The miners loaded the sulphur ore onto the truck before dawn.

Scientists detected sulphur monoxide in the cold molecular cloud, confirming predictions about sulfur chemistry in space.

He struck a sulphur match to light the camping stove before dusk.

The factory's emissions contained traces of sulphur oxide, raising concerns among local residents.