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On-sale ointments are almost shaped in tubular, that we only can by means of using swab cotton onto big wound while it may squeeze more amount than we need onto small one. This concept of design solves above problems by its rolling head, and user can smear it directly depends
on wound area and smearing habits.
Southern Taiwan University of Science and Technology
Tainan City, Taiwan
Southern Taiwan University of Science and Technology
Tainan City, Taiwan