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Residential HVAC work (installation, commissioning, and periodic maintenance) is often performed by small teams under time pressure and in variable site conditions. Despite being routine, these tasks involve recurring occupational hazards: chemical exposure to refrigerants and oils, electrical shock during connections and testing, falls during outdoor unit mounting, manual handling injuries, and ergonomic strain from constrained postures. This paper presents a super-simple, practice-oriented method to identify, ev...

Clamping and fixture operations are frequent sources of injuries and productivity losses in small and medium industrial workshops. Traditional manual vise tightening can create pinch points, repetitive strain, inconsistent clamping force, and longer cycle times, especially when parts are handled in batches. This paper presents a simple, invention-driven concept: an automated pneumatic clamping system that retrofits to a standard industrial vise and uses sensors and safety logic to improve occupational safety (SSM)...