Scope of application: factories, warehouses, supermarkets, nuclear power plants, power plants, high-speed railways, subways, laboratories, stadiums, science and technology museums, museums, and other places.

Application: factories, warehouses, supermarkets, nuclear power plants, power plants, high-speed railways, subways, stadiums, science and technology museums, museums, squares, shopping malls, and other places.

Scope of application: factories, warehouses, supermarkets, nuclear power plants, power plants, high-speed railways, subways, stadiums, science and technology museums, museums, squares, shopping malls, and other places.

Scope of application: factories, warehouses, supermarkets, nuclear power plants, power plants, high-speed railways, subways, stadiums, science and technology museums, museums, squares, shopping malls, and other places.

Scope of application: factories, warehouses, supermarkets, nuclear power plants, power plants, high-speed railways, subways, stadiums, science and technology museums, museums, squares, shopping malls, and other places.

Scope of application: factories, warehouses, supermarkets, nuclear power plants, power plants, high-speed railways, subways, stadiums, science and technology museums, museums, squares, shopping malls, and other places.

Scope of application: factories, warehouses, supermarkets, nuclear power plants, power plants, high-speed railways, subways, stadiums, science and technology museums, museums, squares, shopping malls, and other places.