On the other hand, E-beam sterilization can be harmful to products containing batteries or electronic components. It can also degrade rubber and polypropylene, but these materials now come in grades that are E-beam compatible, Wilson notes.
A trajectory is the path of an object through space, or the path of life that a person chooses. The prefix tra- is short for trans-, which means across (think transport and transit) and the ject comes from jacere, which means throw and is also the root of the word jet.
path noun [ C ] (TRACK) 1  A2 a route or track between one place and another, or the direction in which something is moving: 2  B2 a set of actions, especially ones that lead to a goal or result: âº 3  a way or track made by or for people walking on the ground, or a line along which something moves: