Which one is chain growth polymer?

Chain growth polymers are formed by the chain growth polymerisation or chain polymerisation. This polymerisation process involves in a series of reaction each of which consumes a relative particles and produces another similar particle resulting a chain reaction. Teflon is a chain growth polymer. It is the polymer of tetraflouro ethylene. \left.\underset{\text { Tetrofluoro ethylene }}{n\left(\mathrm{CF}_2\right.}=\mathrm{CF}_2\right) \xrightarrow[\text { Pressure }]{\text { High }}-\left(\mathrm{CF}_2 \underset{\text { Teflon }}{\left.-\mathrm{CF}_2\right)_n}\right.