Which is better, the maintenance supervisor of China Tower or the account manager?

Hello, account manager. According to the relevant public information, the account manager is superior to the maintenance supervisor in career development and ability. The account manager communicates with customers and is responsible for maintaining the good relationship between the company and customers. They need to have strong communication and sales skills, better career development prospects and better exercise their abilities. The maintenance supervisor is responsible for the maintenance and repair of tower crane equipment, and is in an outdoor working environment for a long time.