### substance | rind:

Peel
* Most peels contain pigment.
* Some peels are part of ananases
  - apples
  - avocados
  - baobabs
  - berries
  - blackberries
  - blueberries
  - cantaloupe
  - cherries
  - citruses
  - cucumbers
  - currants
  - figs
  - gooseberries
  - grapefruit
  - kiwi
  - mandarins
  - mangos
  - melons
  - muskmelons
  - papaya
  - peach
  - pears
  - pineapples
  - plums
  - pomegranates
  - raisins
  - strawberries
  - tuna
  - watermelon
* Some peels contain potassium
  - have sugar
* are a particularly effective way to reverse premature aging
  - for everybody that is concerned about aging
  - part of edible fruit
* can cause persistent redness of the skin
  - sometimes cause persistent redness of the skin
* improve skin texture, dry up active acne, help to reduce razor bumps and fine lines.
* minimize fine lines and wrinkles and create even skin tone.
* oranges and remove all white membranes
  - with a vegetable peeler
* pears with a vegetables peeler, keeping stems intact.
* remove the outer layer of skin allowing the collagen and dermis layers to rejuvenate.
* surface off roofs.
* utilize a variety of acids ranging in strength and depth of penetration.

### substance | rind | peel:

Chemical peel
* are a normally safe and popular way to treat facial wrinkling and fine scarring
  - very important part of the skin rejuvenation process
  - at one time simple but complex
  - cosmetic procedures performed at the request of the patient
  - less expensive than laser resurfacing
* employ an acid solution to damage the top layer of skin.
* exfoliate, or unclog pores, in the skin.
* strip off the top layers of skin and new younger-looking skin grows back.
* vary according to their specific ingredients and their strength
  - depending on the type of solution used

Peel testing
* can determine the frictional force present from the adhesive bond.
* produces information used in determining the adhesive's durability.

Superficial peel
* are useful for treating blotchy skin, and require no anesthesia or sedation.
* treat early aging skin and wrinkles which occur with facial expressions.

Rock wool
* has a texture similar to fiberglass' but dark gray.
* is another man-made mineral fiber that can be used for insulation
  - made from natural minerals like basalt or diabase
* medium produced by spinning volcanic basalt rock in blast furnaces.

Sandpaper
* come in various types.
  * ' piece of paper with an abrasive glued to it. Sandpapers come in various types. Some are very rough, while others are very smooth. They are used to clean wood and metal and make them smooth. Some sandpaper is made to go on a machine that rubs very fast, while other sandpaper is used by hand.
* contains numerous sharp edges that cut away at wood or metal.
* is an abrasive material
  - devices
* leaves a scratch pattern in wood.

Sandstone
* has much larger particles than does shale.
* is Nevada s state rock
  - composed of sand grains which are cemented together
  - located below sand in sand beaches
  - made of sand, siltstone is made of silt, mudstone is made of mud and so on
  - weak when wet, so avoid climbing in damp areas or right after a rain
* provides a good reservoir rock for oil which has been trapped by faulting and folding.

### substance | sandstone:

Bluestone
* are limestone
  - sandstones
* is adjacent to Bluestone Lake, the state's third largest body of water.

Brownstone
* are everywhere
  - homes
* are located in rings
  - subdivisions
  - real estates
  - residential buildings
  - sandstones
* is about relationships.
* variety of sandstone.