<Table> <Tr> <Th> Class </Th> <Th> Flame Spread Index </Th> </Tr> <Tr> <Td> </Td> <Td> 0 - 25 </Td> </Tr> <Tr> <Td> </Td> <Td> 26 - 75 </Td> </Tr> <Tr> <Td> </Td> <Td> 76 - 200 </Td> </Tr> </Table> <Tr> <Th> Class </Th> <Th> Flame Spread Index </Th> </Tr> <Tr> <Td> </Td> <Td> 0 - 25 </Td> </Tr> <Tr> <Td> </Td> <Td> 26 - 75 </Td> </Tr>

Where are the flame-spread ratings in a building most restrictive