A trefoil of overlapping circles, designed to be instantly recognisable as a warning for biological hazards.
A three-bladed trefoil, conventionally black on a yellow background, warning of ionising radiation hazards.
A black exploding-bomb icon in a red-bordered diamond, the GHS symbol for explosive hazard.
A black flame icon in a red-bordered diamond, the GHS symbol for flammable hazard.
A black flame above a black circle in a red-bordered diamond, the GHS symbol for oxidizing hazard.
A black gas cylinder icon in a red-bordered diamond, the GHS symbol for gases under pressure.
An image of a substance corroding a surface and a hand, in a red-bordered diamond — the GHS symbol for corrosive hazard.
A black skull and crossbones in a red-bordered diamond, the GHS symbol for acute toxicity.
A black exclamation mark in a red-bordered diamond, the GHS symbol for lower-level health/physical hazards or irritation.
A black human silhouette with a starburst on the chest, in a red-bordered diamond — the GHS symbol for serious, longer-term health hazards.
A black image of a dead fish and tree in a red-bordered diamond, the GHS symbol for aquatic/environmental hazard.
A small square inside a larger square — IEC 60417-5172, marking equipment protected by double or reinforced insulation rather than an earth connection.
A circle enclosing a three-bar earth glyph — IEC 60417-5019, marking the protective earth (ground) terminal on Class I equipment.
A blue six-barred star with a serpent-and-staff at its centre, marking emergency medical services.
A serpent coiled around a stemmed bowl, marking pharmacy.
A white running figure heading through a door on green, marking the way out.
A lit cigarette in a red circle with a diagonal bar.
A white cross on green, marking first aid provision.
A white extinguisher on red, marking firefighting equipment.
A black exclamation mark in a yellow triangle.
A black lightning arrow in a yellow triangle, warning of electrical danger.
A white pictogram on a solid blue circle, requiring an action.
Four white figures around a point on green, marking where to gather.
A heart with a lightning stroke on green, marking an AED.
The two letters Bq, the SI unit symbol for the becquerel.
The two letters Sv, the SI unit symbol for the sievert.
A red octagon bearing the word STOP, requiring a driver to come to a complete halt.
A downward-pointing triangle with a red border, requiring a driver to yield to traffic on the road ahead.
A red disc with a white horizontal bar across it, prohibiting entry to all vehicles.
A white disc with a red border carrying a number, giving the maximum permitted speed.
A white disc with a red border showing two cars side by side, one of them red, prohibiting overtaking.
A red-bordered triangle warning that the road crosses a railway on the level, with or without gates.
A yellow diamond with a white border, marking a road whose traffic has priority at junctions.
A blue disc with a red border and a single red diagonal bar, prohibiting parking.
A buoy with two cone topmarks, saying which side of a danger holds safe water.
A camera in a red circle with a diagonal bar, prohibiting photography.
A handset in a red circle with a diagonal bar, prohibiting phone use.