งาน, วิชาการ, ช่างไฟฟ้า, ชาย, คนคนหนึ่ง, หมวกแข็ง, ผู้ชาย, ผู้ใหญ่, อาชีพ, หมวกกันน็อกทำงาน, ภาพเหมือน
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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