37
Maintenance, installation and repair services; maintenance,
installation, repair, upgrading, retrofit and refurbishment
of industrial plants and machinery; maintenance, upgrade,
retrofit, repair and upgrading of fans, extractor fans,
dampers, blowers, compressors, circulators, gas circulators,
cooling, air conditioning, ventilating, heating and
environmental control apparatus and installations, heat
regenerators, air reheaters, incinerators, pre-heaters, heat
exchangers, gearboxes and parts and fittings for all of the
aforesaid; information, advisory and consultancy services
relating to all of the aforesaid services
40
Custom development and assembly of electronic equipment;
technical support services and technical consultancy
services, all relating to the aforesaid services;
information, advisory and consultancy services relating to
all of the aforesaid services
42
Engineering services; research, design and development of
fans, extractor fans, dampers, blowers, compressors,
circulators, gas circulators, cooling, air conditioning,
ventilating, heating and environmental control apparatus and
installations, heat regenerators, air reheaters,
incinerators, pre-heaters, heat exchangers, gearboxes and
parts and fittings for all of the aforesaid; design and
development of computer software; design and development of
acoustic simulation software; research in the field of
linear and non-linear stress analysis, acoustic analysis,
structural dynamics, metal fatigue, metal fracture, metal
creep site strain gauging and testing; research, design and
development of electronic equipment; vibration assessment,
on site vibration assessment and performance testing of
fans, extractor fans, dampers, blowers, compressors,
circulators, gas circulators, cooling, air conditioning,
ventilating, heating and environmental control apparatus and
installations, heat regenerators, air reheaters,
incinerators, pre-heaters, heat exchangers, gearboxes and
parts and fittings for all of the aforesaid; efficiency
analysis of manufacturing and recycling plant operations;
vibration testing, acoustic testing, strain testing,
operation and performance testing, metal fatigue analysis,
metal fracture analysis and metal creep analysis of fans,
extractor fans, dampers, blowers, compressors, circulators,
gas circulators, cooling, air conditioning, ventilating,
heating and environmental control apparatus and
installations, heat regenerators, air reheaters,
incinerators, pre-heaters, heat exchangers, gearboxes and
parts and fittings for all of the aforesaid; technical
support services and technical consultancy services, all
relating to the aforesaid services; information, advisory
and consultancy services relating to all of the aforesaid
services
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