The reason the three way classification of Igneous, Sedimentary and Metamorphic is used is because the processes involved in forming the three rock types usually results in a characteristic relationship between the mineral grains that is diagnostic. Sedimentary rocks form from sediments deposited from water or air.he reason the three way classification of Igneous, Sedimentary and Metamorphic is used is because the processes involved in forming the three rock types usually results in a characteristic relationship between the mineral grains that is diagnostic. Sedimentary rocks form from sediments deposited from water or air.
1 To prevent blisters caused by rubbing (friction blisters): 2  Avoid wearing shoes that are too tight or that rub your feet.3  Roomy footwear has a wide toe box with more room for your toes and the ball of your foot. 4  You should be able to wiggle your toes in your shoes.ome of the most common types of blisters can be prevented. 1  To prevent blisters caused by rubbing (friction blisters): 2  Avoid wearing shoes that are too tight or that rub your feet.
Lubricants help reduce friction by keeping skin-to-skin or skin-to-shoe areas wet and slick. Powders and antiperspirants reduce friction by keeping feet very dry. Keeping your body hydrated and in a state of homeostasis helps to prevent your feet from swelling.If you over-hydrate and take in excess sodium, fluid retention causes your toes to swell up into Vienna sausages and your feet into potatoes.hey reduce friction on feet by transferring the friction to the area between the two sock layers (as opposed to the foot and sock interface.). Some runners get blisters even if they wear socks. Others are looking for fast transitions in a triathlon and don't want to bother with socks.