1. function and performance: I will pay attention to the power, load capacity, digging depth, bucket capacity and other function and performance indicators of the earth mover to make sure that it can meet my needs on the job.

2. Quality and durability: The shovel is a heavy-duty piece of machinery and equipment, and I want it to be of good quality and durability, able to withstand long periods of use and harsh working environments.

3. Control and ease of operation: I want the shovel to have an easy-to-understand control interface and operation so that I can easily grasp and operate it.

4. Safety: As a potentially dangerous equipment, I will pay attention to its safety performance, such as whether it is equipped with safety protection devices, whether it has a stable working platform, etc., so as to ensure my safety and the safety of people around me.

5. Maintenance and after-sales service: I will consider the maintenance and upkeep cost of the earth mover and whether there is reliable after-sales service and technical support so that the earth mover can be repaired and maintained in a timely manner when needed.

In summary, functionality and performance, quality and durability, maneuverability and ease of operation, safety, and maintenance and after-sales service are some of the key points that I look for when selecting a scraper.