Ukwenza ukuhlinzeka akuyona isayensi ephelele, futhi nodokotela kudingeka benze amakhono abo, ikakhulukazi uma kukhulunywa ngezingane. Ukuze uthuthukise lawo makhono, odokotela basebenzisa izindlela ezahlukahlukene besebenzisa amamodeli we-anatomical noma ama-mannequins. Kodwa-ke, lokhu kuvame ukukhawulela maqondana nobunzima nokuzizwa, okubeka umkhawulo kuqeqesho. Ukunqoba leyo mikhawulo, i-Ph.D. umfundi wegrad uMark Thielen…