Yellow safety hat or hardhat design. Labour or labor day and workers’ day industrial icon for May 1 and September 5 known as Mayday.
Palabras clave
hard hat,
yellow,
safety,
hat,
icon,
design,
men at work,
labor,
day,
helmet,
equipment,
wear,
industrial,
protection,
engineer,
symbol,
manpower,
celebration,
engineering