when go to the bathroom in any restaurant, no matter where you go untiin the united states youa sign in the bathroom to say to employees to remind them to wash their hands before returning to work. there's a good reason for this. the majority of the food-born illnesses is related to washing with hands and soap. another issue is keeping your food safe. keeping it cool or hot. since the records from the central disease of -- excuse me. >> the cbc? >> thank you. since that and 1/6 americans will suffer from type of food-born illnesses each year. the biggest challenges of the food truck is keeping the food at the safe temperatures, this means keeping cold food cold and hot food hot. to comply with temperatures and safely regulations. it's difficult to maintain in a mobile cooking because the equipment is not sophisticated as inside of a normal restaurant. being outside means being exposed to the heat. there's no storage. meat, fish, poultry have been especially scrutinized. all these foods are very hazard. common food that can cause illness and possibly death. also, space. when we look i