<u><em>In most cases, it takes from 6 to 8 weeks for a stress fracture to heal. More serious stress fractures can take longer. Although it can be hard to be sidelined with an injury, returning to activity too soon can put you at risk for larger, harder-to-heal stress fractures and an even longer down time.</em></u>
<span>Heart Rate Reserve, HRR. Heart rate reserve (HRR) is the difference between resting heart rate (HR<span>rest) and maximum heart rate</span> (HRmax). Heart rate reserve is used when determining exercise heart rates. The Karvonen formula is used to calculate exercise heart rate at a given percentage training intensity.</span>
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.
