Write the information asked for the following polymers :
(i) Neoprene : Materials required for preparation.
(ii) PVC : monomer unit.
(iii) Synthetic rubber : monomer units
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Explanation:
A monthly (or longer) season ticket can be replaced at the station it was bought from, but an administration fee will be charged. Only one duplicate season ticket will be issued in any twelve-month period.
7-day season tickets can't be replaced.
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