Health risks associated with whole-body vibration exposure in steel manufacturing vehicle operators
Bibliographic record
Abstract
The purpose of this study was to measure operator exposure to whole-body vibration (WBV) and to determine health risks associated with the operation of heavy-lift transporters (HLT; n=2), pot haulers (n=3), hoists (n=4) and loaders (n=2) used within the steel manufacturing industry. Anecdotal evidence suggested operators of the above equipment were suffering from vibration-induced injury; however, typical exposure data was not available in the literature. A tri-axial seat-pad accelerometer was used to measure vibration at the operator/seat interface. Health risk to operators was determined based on criteria established in the ISO 2631-1 standard. The calculated 8-hour daily equivalent vibration dose value placed all pot haulers and one HLT, one hoist and one loader above the health guidance caution zone (HGCZ). Therefore, interventions aimed at reducing vibration exposure below the ISO 2631-1 HGCZ should be implemented. Caution must be applied when generalizing exposure data to other industries; however, exposure data reported in this study does represent the first published data for pot-haulers and HLTs in steel production.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".