<Tr> <Th> Opening </Th> <Td> 1931 </Td> </Tr> <Tr> <Th_colspan="2"> Technical details </Th> </Tr> <Tr> <Th> Floor count </Th> <Td> 11 </Td> </Tr> <Tr> <Th> Floor area </Th> <Td> 175,000 square feet </Td> </Tr>

The brill building in new york city was engaged in which of the following activities