Can the 50-year-old female signalman of the tower crane in Shenzhen still be used?

You can't. According to the recruitment information of tower crane in Shenzhen construction site, the tower crane in Shenzhen construction site requires women under 50 years old and men under 60 years old, and 50-year-old female signalmen in Shenzhen construction site are not allowed to use it. Tower crane is the most commonly used lifting equipment in construction sites, also known as "tower crane", which is used to lift building raw materials such as steel bars, wooden beams, concrete and steel pipes. With the extension (height) from one part to another. Tower crane is an indispensable equipment in construction site.