It is legal to look for work while visiting Canada. Obviously, you should always tell the truth to the officer and state your purposes in the country. You would also need to prove to the immigration officer that the plan is to leave Canada within the maximum allowed time and that you will not work in the country without the proper work permit.
Dielectric materials for semiconductor chips. Dielectric material characterize with very low electrical conductivity (one millionth of a mho / cm), in which an electric field can be sustained with a minimal leakage. It can store electrical energy/charge.
Electrical Energy. Electrical energy, referred to as electricity by the layman, is energy stored in the back-and-forth motion of electrons in electric utility lines. Lighting is an example of a natural electrical energy. Lightning involves the transformation of electrical energy into thermal and light energy.