อาคาร, ลวด, สายไฟ, ไฟฟ้า, สนับสนุน, ฉนวน, พลังงาน, ท้องฟ้า, พลังงานไฟฟ้า, ปัจจุบัน
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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