classes: lecturer. The subject required to bring laptops to practice right in class but the classroom lacked a power outlet to maintain the battery for the laptop so I could not practice much. curriculum. The subject required to bring laptops to practice right in class but the classroom lacked a power outlet to maintain the battery for the laptop so I could not practice much. facility. The subject required to bring laptops to practice right in class but the classroom lacked a power outlet to maintain the battery for the laptop so I could not practice much. general. The subject required to bring laptops to practice right in class but the classroom lacked a power outlet to maintain the battery for the laptop so I could not practice much.