แป้นพิมพ์, การพิมพ์, ทหารม้าถือทวน, สำนักงาน, การทำงาน, ผู้ปฏิบัติงาน, ธุรกิจ, เคาน์เตอร์, ตาราง, มือ, ผู้พัฒนา
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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