Engels : Nederlands chemical compound = chemische stoffen core = kern natural elements = natuurlijke elementen hydrogen = waterstof oxygen = zuurstof atoms = atomen scale = schaal to consume = verbruiken to assemble = in elkaar zetten sturdy = robuust fixtures = beslag / hang- en sluitwerk to fuse = samensmelten measurements = metingen physically = fysiek pressure = druk to originate = ontstaan to measure = meten weightless conditions = gewichtloze situaties technically speaking = technisch gesproken fluids = vloeistof to withstand = weerstaan