Introduction
One of the most important elements in the design and construction of large shopping malls today is the selection and installation of standard escalators. In a city such as Mashhad where shopping malls always host a large number of clients, the importance of using standard escalators multiplies. In addition to convenience, these vertical transport equipment has an important task in maintaining clients' safety, and any negligence in this area can have irreparable consequences. For this reason, in this article we will explain why standard escalators guarantee the safety of Mashhad shopping malls and how to choose the most reliable options in collaboration with reputable companies such as Hall Company in Mashhad .