35
Analysis of costs, cost prices, price comparison of
apparatus and facilities for treating water, waste water,
effluents and/or sludge, and consulting services related
thereto; services for retailing apparatus and facilities for
treating water, waste water, effluents and/or sludge;
presentation of goods on communication media, for retail
sales of apparatus and facilities for treating water, waste
water, effluents and/or sludge; sales promotion for others
Of apparatus and facilities for treating water, waste water,
effluents and/or sludge; procurement services for others
[purchasing goods and services for other businesses] of
apparatus and facilities for treating sludge
37
Installation, maintenance and repair of apparatus and
equipment for treating water, waste water, effluents and/or
sludge
40
Services for treating water, waste water, effluents and/or
sludge, rental of apparatus and facilities for treating
water, waste water, effluents and/or sludge; consultancy in
the field of the treatment of water, waste water, effluents
and/or sludge
42
Research, analysis, expert appraisal (engineer's) services
in the field of the treatment of water, waste water,
effluents, sludge and/or energy efficiency; consulting
services in the field of energy efficiency; technical
project study in the field of the treatment of water, waste
water, effluents, sludge and/or energy efficiency; Advice in
the field of energy savings; auditing for others of
apparatus and facilities for treating water, waste water,
effluents and/or sludge; auditing for others of the energy
consumption of apparatus and facilities for treating water,
waste water, effluents and/or sludge