ted. talk presenters are know as effective public speakers. describe two things this speaker does well in terms of engaging the audience. be sure to include the minute:second mark (ex:8:49) denote the two specific moments you discuss here

If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.

What precautions should you take to prevent injuries when dealing with heavy loads?

During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false