HSN3824PREPARED BINDERS FOR FOUNDRY MOULDS OR CORES; CHEMICAL PRODUCTS AND PREPARATIONS OF THE CHEMICAL OR ALLIED INDUSTRIES (INCLUDING THOSE CONSISTING OF MIXTURES OF NATURAL PRODUCTS), NOT ELSEWHERE SPECIFIED OR INCLUDED
HSN8421CENTRIFUGES, INCLUDING CENTRIFUGAL DRYERS, FILTERING OR PURIFYING MACHINERY AND APPARA FOR LIQUIDS OR GASES
HSN9027INSTRUMENTS AND APPARATUS FOR PHYSICAL OR CHEMICAL ANALYSIS (FOR EXAMPLE, POLARIMETERS, REFRACTOMETERS, SPECTROMETERS, GAS OR SMOKE ANALYSIS APPARATUS); INSTRUMENTS AND APPARATUS FOR MEASURING OR CHECKING VISCOSITY, POROSITY, EXPANSION, SURFACE TENSION OR THE LIKE; INSTRUMENTS AND APPARATUS FOR MEASURING OR CHECKING QUANTITIES OF HEAT, SOUND OR LIGHT (INCLUDING EXPOSURE METERS); MICROTOMES
SAC9987Maintenance, repair and installation (except construction) services
SAC9994Sewage and waste collection, treatment and disposal and other environmental protection services
SAC9954Construction services