Road rollers and balers are two types of heavy equipment widely used in the construction and agricultural fields.
Road rollers, also known as compactors or roller compactors, are mainly used for compaction of roads, sites and other foundations. It compacts soil, asphalt and other materials through its own weight and vibration to improve the bearing capacity and stability of the foundation. Rollers are usually equipped with one or more drums and can operate in a variety of working conditions. According to different working principles, road rollers can be divided into static pressure, vibration and impact types.

Baler, also known as baler or baler, is mainly used in agriculture to compress straw, grass and other plant stems into bundles of specified shapes and sizes. The baler can greatly improve the collection efficiency of crop straw, reduce labor input and reduce environmental pollution. Balers usually consist of a picking device, a conveying device, a compression device and a binding device. According to different operating methods, balers can be divided into manual, semi-automatic and fully automatic types.

In short, road rollers and balers play important roles in their respective fields and have made great contributions to the development of human society.