There are several manners to apply Protectionism and most of the countries use measures in that direction.
➲ Creation of Quotas to limit the imported product quantity.
➲ Limit the supply of services from foreign companies.
➲ Support the national industry.
➲ Limit foreign partners participation in national companies.
➲ High tax load for imported products.
➲ Technical quality requirements and production processes made difficult to reach for small and medium foreign companies.
The WTO (World Trade Organization) monitors protectionism between countries in order to facilitate the free international trade.
In Brazil historical protectionist measures are tributary charges for imported products and subsidies to domestic industries which resulting in high importation costs and incentives to local industry and technology.