Exothermic reactions I think
Flat good luck wooooooooo
Answer: ware, glass, clay, silver, silverware
Explanation:
Five materials that are used in the production of kitchen utensils are ware, glass, clay, plastic, and iron.
Since they are in the kitchen they have to be always clean and ready to use.
Different types of material are used because of the different temperatures used for cooking, varnishing, enameling, and more. It is important that kitchen utensils do not react with the food or some chemical for cleaning.
True, sleep problems indeed are a quite often occurence among children as well as adults - they do occur quite often but don't necessarily occur all the time for people to whom it does happen. At the same time, when someone suffers from sleep problems, this doesn't necessarily mean that he cannot sleep at all.
