In their quest to build a rocket, Umika and her friends decide to visit Matataki, their classmate who is a skilled engineer, but doesn't attend classes. However, they soon find out that this mechanic's got one short fuse!
RA = Risk Assessment
ت م = تقييم مخاطر
UV = Unfallverhütung
ER = Evaluación de riesgos
ER = Evaluación de riesgos
DEA = Danger En Approche
VR = Valutazione dei rischi
APR = Análise Preliminar de Riscos
ОР = Оценка рисков