Học sinh chế tạo thiết bị thoát hiểm khi xảy ra cháy chung cư
Với ưu điểm nhỏ gọn, giá thành rẻ, dễ sử dụng, có tính ứng dụng thực tế cao, “Thiết bị thoát hiểm đa năng khi xảy ra cháy ở chung cư” là đề tài sáng chế của hai em học sinh lớp 10 và 11.
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