Notwithstanding any other provision of this chapter, real and personal property devoted to manufacturing purposes shall not be exempt from taxation except as provided by §§ 44-3-3(21) [now see § 44-3-3(20)], 44-3-3(23) [now see § 44-3-3(22)], 44-3-3.1, 44-3-9, and 44-5-38.
R.I. Gen. Laws § 44-3-6