Sensitive skin can become red, irritated, and itchy after using normal daily products. Basic cleansers can sometimes be too irritating for people with sensitive skin. Recognizing how your skin reacts to different products will help you to determine what products are safe to use on sensitive skin. You may notice more sensitivity on some areas of the body than others. The face, dorsum of the hands, and finger webs are more prone to irritation from chemical substances than the palms, soles, or back, for example. Different weather conditions, such as extreme temperatures or harsh winds, can cause problems with sensitive skin. Hot weather can cause heat rash, redness and/or tightness. Additionally, hot weather can lead to oily skin and acne, tempting you to use harsher cleansers. Sticking with gentler cleansers for sensitive skin may in fact improve your skin more so than using harsher soaps that cause further irritation and redness. Cold weather and harsh winds can cause dryness and irritation. Dry skin can cause feelings of tightness and itchiness and lotions may provide some relief. Be sure to invest in natural fragrance-free lotions to prevent any adverse reactions, while still moisturizing your skin. Sensitive skin can be quite dry and can become irritated by harsh soaps. If the products contain a fragrance, this can further contribute towards irritation. If you've noticed that the fancy smelling soaps leave your skin feeling funny, your skin is probably too sensitive for them, and investing in some gentle, fragrance-free soaps and washes may prove useful. Sensitive skin usually does not react well to shaving or certain shaving products. Often it will turn blotchy, (large red marks), feel itchy or come up in a rash. This is a result of breaking the barrier your skin provides between the underlying layers of skin and the outside world. Shaving can cause small breaks in your skin that allow chemicals to penetrate deeper, causing more problems to sensitive skin. If this happens then you should invest in a hair removal product that is designed for sensitive skin. Most people with sensitive skin have reactions to a wide variety of products that may extend beyond redness and dryness. Some of these products will cause an immediate reaction, but some may only cause irritation after being exposed to sunlight. If your skin feels like it's burning after only a few minutes in the sun, you may be reacting to your sunscreen and not actually getting sunburned that quickly.

Summary: Look for redness and itchiness. Pay attention to how your skin feels in extreme weather conditions. Determine if your skin reacts to normal soaps and cleansers. Look at your skin after you've shaved. Notice any burning or tingling sensations after application of new creams or lotions.

Dry ice needs to be applied to the dent for a short time in order to effectively remove it, so it may work best on horizontal surfaces such as the hood, roof or trunk lid of the vehicle. If the dent is on the side, you will need to hold the dry ice in place with tongs. You can purchase dry ice at many large retail stores or at office supply stores. Dry ice works best on medium sized dents and may be less effective on large ones. Always wear safety glasses and heavy duty gloves when handling dry ice. Because of the extreme temperatures involved, coming into contact with dry ice on bare skin could seriously hurt you. Large rubber gloves and goggle style glasses are required for this project. Do not open the dry ice package until you have adequate safety gear in place. Use a pair of long metal tongs to remove a chunk of dry ice and apply it directly to the dent. If the dent is on a horizontal surface, you may place the dry ice on it, otherwise you will need to hold it there. Allow the dry ice to contact the metal for thirty seconds to a minute before removing it again. Be sure that if you are going to hold the dry ice in place that you use tongs and wear gloves to prevent ice burns. Do not leave the dry ice on the paint for longer than a minute or it may damage it. After you remove the dry ice from the metal, the warmth from the ambient air will interact with the extreme cold created by the ice. This interaction will cause the metal to shift and pop out the dent. The intense cold will cause the metal to retract then expand again as it warms. This shift in temperature may pop the dent out. Depending on the size and severity of the dent, you may need to apply the dry ice and allow it to warm again multiple times to remove the dent entirely. Repeat the process until the dent is gone. Allow the metal to reach normal temperature again before re-applying dry ice. Pay attention to the clear coat on the metal. If it begins to crack, stop applying dry ice immediately.

Summary: Assess the angle of the dent. Put on safety glasses and gloves. Use tongs to place a bit of dry ice on the dent. Allow the dent to interact with the ambient air. Repeat the process as necessary.

To do this, place the compass tip on the given point on the line. Then, swing the compass, drawing two arcs on both sides of the given point. The arcs should intersect the line. Mark and label the points where the arcs intersect the line. You can set the compass to any width for this step. For example, you might be given point A on a line. Use the compass to draw point P to the left, and point Q to the right. Place the compass tip on the new point to the left of the original point. Stretch the compass so that it reaches about halfway between the original point, and the new point on the right. For example, place the compass tip on point P, and stretch the compass to a point about halfway between points A and Q. You could also draw the arc below the line. Keeping the compass tip on the left point, swing the compass, drawing an arc. Make sure the arc crosses over the original point. For example, keep the compass tip on point P. Draw an arc above the line. Do not change the width of the compass. Set the compass tip on the right point. Swing the compass, drawing an arc above the line that intersects the first arc. Mark this intersection with another point. For example, place the compass tip on point Q. Draw an arc that intersects the first arc at point T. Use a straightedge to ensure the line is straight. The line you draw is perpendicular to the first line, through the given point on the line. For example, draw a line connecting points A and T.
Summary: Draw an arc on either side of the given point. Increase the width of the compass. Draw an arc above the line. Draw a second arc, intersecting the first. Connect the given point to the point where the arcs intersect. Finish up with the construction.