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.
The skin on our feet is naturally dry, unlike the skin on the rest of the body. The skin on our feet has no oil glands, so it relies on hundreds of thousands of sweat glands to keep our feet moisturized.any of the treatment methods mentioned above can also be used to prevent dry skin on your feet. Here are some tips to help you avoid this condition: 1  Talk to your doctor about over-the-counter lotions, creams, and moisturizers to help you manage the dryness. 2  Do not rub or scratch the affected area.