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.
RELATED: 5. Add Some Padding. Blister patches, whether theyâre stuck to your shoes or your feet, can help keep your shoes in place and prevent rubbing, says Yoshida. Try Dr. Scholl's for Her Rub Relief Strips ($9.99, amazon.com) or Compeed Blister Relief Pack Plasters ($8.48, amazon.com).ere are their tips for rocking your new shoesâfrom stilettos to sneakersâsans blisters. 1. Make Sure the Shoes Fit. This should be common sense, but the first step in preventing rubbing (and the ensuing blisters) is picking shoes in the right size.