The study on the pen-sized digital microscope called the “pencroscope” invented by Ceejay Faala, a student of the Carlos Hilado Memorial State University (CHMSU) Binalbagan Campus in Negros Occidental ...
Used to bind two pieces of cloth or flexible material together ... The earliest concept of pens involved dipping quills, metal nibs, or reeds in ink to write. However, the constant dipping ...
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