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  1. Oxidizing materials are chemicals that can decompose readily to yield oxygen or an oxidizing substance.

  2. CCOHS: WHMIS - Pictograms

    Aug 28, 2025 · Important Information Canada has aligned the Workplace Hazardous Materials Information System (WHMIS) with the Globally Harmonized System of Classification and Labelling of …

  3. Welding fumes are a complex mixture of metals metallic oxides, silicates, and fluorides. Fumes are formed when a metal is heated above its boiling point and its vapours condense into very fine, …

  4. CCOHS: Industrial Ventilation - 9. Glossary of Common Terms

    Aug 28, 2025 · What is covered in this document? This document is part of a series of documents on industrial ventilation and includes a description of the most important terms used in industrial ventilation.

  5. CCOHS: Welding - Fumes And Gases

    Aug 28, 2025 · What are welding fumes? Welding fumes are a complex mixture of metals metallic oxides, silicates, and fluorides.

  6. The management of hazardous waste can be very complicated. The handling, recovery, and disposal of hazardous wastes, even on a small scale, involve potential hazards to health, the environment, and …

  7. CCOHS: How to Work Safely with - Hazardous Products using the

    Oct 20, 2017 · How to Work Safely with - Hazardous Products using the "Flame Over Circle" Pictogram On this page What does this pictogram mean? Which hazard classes use the flame over circle …

  8. The Young Workers Zone : Teaching Tools : Chemical Hazards: Symbols

    Mar 21, 2018 · What are Oxidizing Hazards? The pictogram for oxidizing products is an "o" with flames on top of it. The "o" is for oxygen and the flames show that oxidizers are significant fire hazard if they …

  9. CCOHS: WHMIS - Labels

    Aug 28, 2025 · Important Information Canada has aligned the Workplace Hazardous Materials Information System (WHMIS) with the Globally Harmonized System of Classification and Labelling of …

  10. CCOHS: Fire Extinguishers - Portable

    Aug 28, 2025 · What is the fire tetrahedron? To understand how to prevent fires, it is important to know how a fire can occur.