Repair and lining of pipes and culverts by centrifugal spray application of a cementitious or geopolymer mortar using a horizontal mortar spinner and power chain puller to form a fluid-impervious and corrosion-resistant barrier; Consulting services in the field of repair and lining of pipes and culverts for others

EDUCATIONAL PERIODICAL ON THE TOPIC OF GEOGRAPHY FOR ELEMENTARY SCHOOL AGE CHILDREN

Advertising; business management; business administration; marketing services and promoting the goods and services of others; advertising, marketing and promotional consultancy; business assistance, management and administrative services; human resources management and recruitment services; business analysis, research and information services; marketing studies; collection and systematization of business data into computer databases; statistical analysis and reporting services for business pu...