Which combination(s) of alkyl bromide and epoxide can be used to prepare the following product by addition of the Grignard reagent derived from the alkyl bromide to the epoxide? 
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Measures and practices designed to protect individuals using wheelchairs from accidents and injuries.
Footplates
Footplates are structural elements, often part of a device or machinery, designed to provide a stable base or support for the feet.
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A tool or instrument designed to minimize the resistance caused by two surfaces moving against each other, often used in industrial and medical settings.
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