Breather is a service that allows companies to rent office space for meetings and events. These spaces need to be spotless before a company comes in to use them, and this is where you can come in. Breather employs people part-time to clean their spaces in the markets where they operate....
The experiment was conducted at the Hebei Science and Technology Innovation Service Center (37.93°N, 114.43°E) in Hebei Province, China (Figure 1). The experimental station is located in the pre-mountain plains of the Taihang Mountains in the North China Plain, with an average elevation of ...