42 Bacteriological and chemical research, chemical analysis; architecture, architectural consultation, construction drafting, rental of meeting rooms and exhibition places; waste management services; mechanical research, engineering; consultation in environmental protection; waste and trash incineration; telephone hotline services, namely, providing counseling or advice concerning waste and trash treatment and collection; energy, water treatment and pollution; and telephone hotline counseling, namely, offering advice concerning telecommunications, including telephone services, mobile phone services, paging services, computer services, facsimile services, and the like