ช่าง, ชาย, หมวกแข็ง, ผู้ปฏิบัติงาน, มืออาชีพ, อาชีพ, หมวกอันตราย, หมวกเซฟตี้, อุปกรณ์ความปลอดภัย, คน, โบเก้
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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