สัตว์ชนิดหนึ่ง, ผู้ปฏิบัติงาน, หมวกนิรภัย, การ์ตูน, ผู้ก่อสร้าง, การก่อสร้าง, คนงาน, งาน, ความปลอดภัย, หมวกแข็ง, วิศวกร
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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