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Related Experiment Video

Updated: Jun 1, 2025

Origami Inspired Self-assembly of Patterned and Reconfigurable Particles
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Task loading of soldering workers in small-scale manufacturing units.

Arunachalam Muthiah1, Janhavi Kulkarni2, Manasi Lele2

  • 1Department of Industrial and Systems Engineering, Gyeongsang National University, Republic of Korea.

International Journal of Occupational Safety and Ergonomics : JOSE
|January 20, 2025
PubMed
Summary

Soldering workers in small manufacturing units experience high task loads, particularly physical, mental, and temporal demands. Age and work characteristics significantly impact this burden, suggesting workstation design improvements.

Keywords:
National Aeronautics and Space Administration task load indexergonomicssoldering worktask load

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Area of Science:

  • Occupational Health
  • Ergonomics
  • Manufacturing Engineering

Background:

  • Soldering is a prevalent task in electrical product manufacturing.
  • The task load associated with soldering in small manufacturing units remains unquantified.
  • Understanding these demands is crucial for worker well-being and productivity.

Purpose of the Study:

  • To quantify the task load experienced by soldering workers in small manufacturing units.
  • To analyze the influence of age and sex on soldering-related task load.
  • To identify key factors contributing to worker strain during soldering.

Main Methods:

  • Assessed task load using the National Aeronautics and Space Administration task load index (NASA-TLX) questionnaire.
  • Surveyed 102 soldering workers across four small-scale manufacturing units.
  • Employed statistical analyses including Mann-Whitney U test, Kruskal-Wallis test, and ordinal regression.

Main Results:

  • Soldering workers reported a high prevalence of physical, mental, and temporal demands, along with significant effort.
  • Age and specific work characteristics were found to significantly influence overall task loading.
  • No significant effect of sex on task load was identified.

Conclusions:

  • Soldering tasks in small manufacturing settings impose considerable physical, mental, and temporal demands on workers.
  • Interventions focusing on workstation design may alleviate task load and improve working conditions.
  • Further research could explore sex-specific differences and long-term health impacts.