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Komputer atau laptop adalah benda yang tidak terpisahkan dari aktivitas kita sekarang ini. Komputer sering digunakan untuk bekerja atau saat di sekolah. Komputer juga didukung oleh benda-benda seperti mouse hingga keyboard. Nah, pernahkah kamu bertanya seperti apa proses pembuatan angka dan huruf di permukaan keyboard. Caranya adalah dengan menggunakan laser, seperti yang bisa kamu saksikan di video ini. Namun, laser ini bukan menambahkan warna ke permukaan keyboard. Warna asli dari ke...
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