42 Technical writing; Technical writing in the field of construction, building, building science, processes, applications, methodologies; Chemical analysis; Construction drafting; Design and testing for new product development; Engineering; Evaluation of the home building and remodeling services of home builders and remodelers to determine conformity with certification standards other than for governmental regulatory purposes during construction; Material testing; Scientific research and development; Working on and evaluation of chemical analyses; Working on and evaluation of chemical syntheses
Trademark: 98750303
