1, mobile phone takes photos, there are many construction workers on the construction site, and the traditional punching method is time-consuming. With the development of science and technology, it is convenient and efficient to take pictures with mobile phones.

2. Use a fish bubble watermark camera. If you need to take photos when punching in the construction site, you usually use a fish bubble watermark camera. His operation is very simple, just take photos at work. After taking a photo, your work information, time and place will be directly in the photo, which is super convenient.

3. At different time points every day, ask some people to take pictures of what they are doing with cameras to ensure that no one is lazy.