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Rollerball pen
01
pulpen, bolpoin
a pen that uses a small rotating ball made of steel, carbide, or ceramic to dispense ink as it moves across a writing surface
Contoh-contoh
During the exam, students were required to use black rollerball pens to ensure legibility and uniformity in their responses.
Selama ujian, siswa diharuskan menggunakan pulpen rollerball untuk memastikan keterbacaan dan keseragaman dalam jawaban mereka.
