The expansion and contraction of gels allow chemical or electrical energy to be converted into mechanical work.
(The expansion and contraction of gels; allow; chemical or electrical energy to be converted into mechanical work) Context(The expansion and contraction of gels allow,List([0, 43))):(chemical or electrical energy; to be converted; into mechanical work)
The expansion and contraction of gels allow,List([0, 43))
The expansion and contraction of gels chemical or electrical energy
allow to be converted
chemical or electrical energy to be converted into mechanical work
into mechanical work