28.2Level 328Manufacture of machinery and equipment n.e.c.28.21Manufacture of ovens, furnaces and permanent household heating equipment28.22Manufacture of lifting and handling equipment28.23Manufacture of office machinery and equipment, except computers and peripheral equipment28.24Manufacture of power-driven hand tools28.25Manufacture of non-domestic air conditioning equipment28.29Manufacture of other general-purpose machinery n.e.c.