Sentence:  Examples are in public utilities , making military aircraft and accessories , or where the <WSD>investment</WSD> and risk for a proprietorship would be too great for a much needed project impossible to achieve by any means other than the corporate form , e. g. constructing major airports or dams . 
Meaning of the word marked with <WSD> tags:  the act of investing; laying out money or capital in an enterprise with the expectation of profit