A total of 44 notifications on Agriculture, Chemical technology, Clothing industry, Construction materials and building, Domestic and commercial equipment. Entertainment. Sports, Electrical engineering, Environment. Health protection. Safety, Food technology, Glass and ceramics industries, Health care technology, Metallurgy, Petroleum and related technologies, Plastic industries, Road vehicles engineering, Telecommunications. Audio and video engineering from Ghana, Brazil, United States, and other countries are listed.

Agriculture; Chemical technology; Clothing industry; Construction materials and building; Domestic and commercial equipment. Entertainment. Sports; Electrical engineering; Environment. Health protection. Safety; Food technology; Glass and ceramics industries; Health care technology; Metallurgy; Petroleum and related technologies; Plastic industries; Road vehicles engineering; Telecommunications. Audio and video engineering