One of the biggest challenges that workers face on the shop floor is the ability to communicate effectively and safely while wearing either a half or full-face piece respirator. Safe communication is often challenging because the respirator muffles the user’s speech making it difficult for them to be heard or understood, says personal protective equipment (PPE) solutions supplier Dromex. https://www.engineeringnews.co.za/article/voice-amplifier-enhances-mask-on-communication-2026-10-23