Testing in progress warning sign and labels hydrostatic testing in progress
Palabras clave
signs,
testing,
progress,
caution,
laboratory,
disturb,
disturbed,
cautious,
warning,
beware,
hazard,
laboratory,
examining,
safety,
protection,
industrial,
protective,
safe,
professional,
isolated,
dangerous,
area,
experiment,
research,
chemist,
science,
enter,
process,
quiet,
keep,
out,
away,
industry,
authorised,
personnel,
high,
voltage,
pressure
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