S21
S22
S20
S19
ES18
ES17
vacuum
cutlery
wave form
horizontal composition
perspective system
perspective chamber
growth progression
architectural form
y electrolysis
x electrolysis
micro macro
fuel cell
electrochemical system
resuscitator
electrolysis project
elektrolyse
electrolysis
carnot's refrigerator

Plastics, metal, rubber, citric acid, water, concrete