Units must be operated over a smooth, compatible surface such as grass or hard top surface. The unit may NOT be operated on rough surfaces such as rocks, brick, glass, or any jagged objects. Unit CANNOT be moved by lessee after placed by Slide and Glide Party Rentals employees/contractors. Unit MUST BE properly anchored prior to use. Unit will be anchored initially by Slide and Glide Party Rentals employees/contractors and the anchors MUST NOT be removed during period of use. Never attempt to relocate, adjust or service a blower. Never use during high winds, gusty winds, thunderstorms or lightening. The unit can turn over in high winds, even if anchored, and this could result in severe injuries to the users. Do not resume use until adverse weather conditions have ceased. Always follow the manufacturers guidelines located on the unit itself. Cotton candy, popcorn, and shaved ice/smoothie machine must be operated by an adult and turned off when not in use.