Based on the text, it can be concluded that

police are in charge of controlling and preventing any kind of menace to life and property.

According to the text,

people should never pay attention to plugs.

According to the text,

grounding is not considered an important matter by INMETRO.

According to the text,

grounding is not optional in Brazil any more due to a new law.

According to the text,

people should always use the so-called cheater plugs

According to the text,

INMETRO has made a selection of the best plugs on the market.

According to the text,

reaching safety through the use of adequate equipment is a concern of INMETRO's.

According to the text,

two-prong plugs will be eliminated.

According to the text,

all appliances will require the third prong.

According to the text,

the existence of so many different types of electrical outlets poses a problem.