Background: Cleaning is an occupation that is carried out worldwide in many different environments. Cleaning workers (cleaners) often have low occupational skills and belong to the less advantaged educational and socioeconomic groups. Because of the high physical work demands and low cardiorespiratory fitness. cleaners have the risk to have cardiovascular diseases. https://countryscenesaddleryandpetsuppliers.shop/product-category/hand-painted-headstall-and-breastplate/