What is the reactant of the following reaction sequence? 
Definitions:
Rayovac
A brand known for manufacturing batteries and lighting products.
Support Products
Items that are necessary for the use of a main product or that enhance its functionality, but are not the primary product itself.
Industrial Services
Services provided to other businesses in the industrial sector, including maintenance, repair, and operations support.
Accessory Equipment
Auxiliary devices or attachments that are not integral to the main system but enhance its functionality or usability.
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