Polyolefins such as polyethylene undergo slow degradation when placed in air. Degradation occurs by reactions with atmospheric oxygen that lead to the formation of carbonyl groups (groups containing oxygen), gradual….
Which technique are you using here?
You are designing a motor engine. During the design phase, you find that a technique required to develop the piston is a bit more advanced than the technology you currently possess. Although you can acquire this technology, it is too time consuming. On the other hand, there is a supplier that can provide you with the same component but at a higher cost. You are still discussing the options with your team members. Which technique are
you using here?
(a) Select seller
(b) Source selection criteria
(c) Make or buy analysis
(d) None of the above