Such interactions that relate to knowledge systems, culture, religious faiths, and for exchange of basic products have a long history. (religion-online.org)
If you're short on money, stick to basic products like whey protein, fish oil, and amino acids. (fitnessandpower.com)
Companies within the construction materials industry manufacture basic products that are used to build other structures, such as buildings, bridges or roads. (valuepenguin.com)