1. Nickel
   Steel
2. Copper
   Aluminum

Nails come in various lengths and sizes and each has its own purpose. If you're looking to attach some molding to your walls, you'd use a finishing nail whereas if you want to hang a picture on the wall, you'd use a common nail.

1. Carbon steel
   Silver
2. Gold
   Copper

In addition to types of uses, screws have several different head types. The most common head types are a Phillips (which is shaped like an x) and slotted (which has a single line running across the top of its head).

1. Silver
   Carbon steel
2. Gold
   Brass

When using certain types of scissors, you should make sure that you use the proper material that is associated with them. If you were to use pinking shears on anything besides material, you may run into a bind: The blades could end up becoming dull.

1. Stainless steel
   Silver
2. Aluminum
   Iron

The first use of a fork as an eating utensil happened in both Spain and Italy at the same time. France followed suit a century later.

1. Silver
   Brass
2. Iron
   Titanium

if you want to make an omelette quickly, try using a wok. It has thinner metal than a typical skillet, which means it that it heats quicker and will make scrambling your eggs a breeze.

1. Cobalt
   Iron
2. Carbon steel
   Barium

Traditionally, a machete is a multi-purpose tool. The top of the blade is used to chop through brush in jungles as well as harvesting fruits and vegetables, and the rest of the blade could be used to carve meat or to cut open fruits like coconuts.

1. Copper
   Aluminum
2. Barium
   Platinum

If you want to keep your muffin tins clean, you can use muffin tin liners. They come in various colors and sizes, which can aid in adding a small detail to your party decor.

1. Platinum
   Silver
2. Stainless steel
   Iron

In World War II, many of the Japanese soldiers fought with swords passed down through many family generations. Tragically, after they were captured by U.S. forces, the katanas were taken because they are weapons. Many have been returned.

1. Steel
   Brass
2. Nickel
   Barium

In addition to the standard paper clip, coated paper clips help to protect paperwork from scratches. There have also been clips bent into different shapes including cats, cars and other objects.

1. Stainless steel
   Brass
2. Iron
   Copper

There are two reasons why you should consider using a cuticle trimmer. The first is that it will help you apply your nail polish evenly, and the second is that it helps keep your nails clean.

1. Titanium
   Carbon steel
2. Stainless steel
   Platinum

How did Sweeney Todd get rid of his victims? He would provide them to his landlord, Mrs. Lovett, who used them as meat in her pies. To make things even more grotesque, many patrons liked her meat pies, which earned her bakery a distinguished status.

1. Cobalt
   Stainless steel
2. Lead
   Iron

The Tick, a satirical comic created in the late 1980s, featured the overly enthusiastic Tick and an accountant named Arthur as his sidekick. There have been three adaptations of this intelligent comic including a live-action version featuring Patrick Warburton, who is best known as Puddy on "Seinfeld."

1. Carbon steel
   Aluminum alloy
2. Platinum
   Silver

In the 1980s, one of the most popular bikes to have were the 10-speed bicycle. These bikes featured handlebars called drop handlebars, which brought the rider closer to the bicycle, making them more aerodynamic. That was great, however, riding a bike like that for too long is bad for the back.

1. Aluminum
   Titanium
2. Platinum
   Iron

If you ever get a flat tire, you definitely need a jack, which helps elevate the car while removing and replacing the tire with a spare. Depending on the model of your car, a jack is usually supplied.

1. Platinum
   Steel
2. Silver
   Titanium

Even though they are small, the spokes serve a great purpose when it comes to tires. They give the wheel rim structure and reinforcement, helping it stay round.

1. Zinc
   Silver
2. Aluminum
   Manganese

When you're working in somewhere like a warehouse, industrial fans have many purposes aside from cooling the area down. They are also used to help circulate the air and to remove odors.

1. Gold
   Mercury
2. Tin
   Aluminum

During the 17th century, you could just check out a man's pockets to see what class they were in. If they were in the upper class, they would get their pocket watches as heirlooms.

1. Platinum
   Steel
2. Iron
   Lead

Springs play a functional role in the world of pens as well as in beds. When you use a clicker pen, a spring gets compressed and the tip comes out. When you are done and click it shut, the spring pulls it back.

1. Lead
   Aluminum
2. Silver
   Carbon steel

If a police officer has to arrest a suspect, they will more than likely use a set of handcuffs. However, if there is a riot and several offending parties need to be held, they will use nylon zip ties.

1. Barium
   Platinum
2. Mercury
   Aluminum

Bangle bracelets were a must have for any lady of the '80s. They would be constructed out of various materials, however one of the most popular bangles were ones made of gummy. This plastic was flexible and could be used to make bigger bracelets.

1. Brass
   Silver
2. Lead
   Tin

If you're ever in an earring jam and misplace a backing, take heart: these items are universal and one backing can usually be used on many different earrings. If you lose your backing at the office, you can take a small pencil eraser and use it to hold the earring in place.

1. Platinum
   Silver
2. Aluminum
   Iron

Be careful when rushing a yellow light: Many traffic lights are now equipped with cameras to catch you speeding through intersections. A few weeks later, you get a present: a moving violation.

1. Lead
   Tin
2. Titanium
   Steel

Jersey barriers may not look like they have metal in them, but it is one of the many construction items made with rebar. These small metal rods are used in a couple of different ways. The first is to add additional support to streets and barriers, the second is to hang temporary fencing.

1. Cobalt
   Titanium
2. Galvanized steel
   Silver

In addition to changing power sources, street lights have gone under a face lift in the last few years. Some cities have started to outfit them with slip bases. These bases give a safety feature that others don't: When hit with a car, they break off in a fashion that makes damage and injuries minimal.

1. Stainless steel
   Coated steel
2. Silver
   Aluminum

If you're not sure what a cooling rack is, perhaps you know it by its other name; a wire rack. This tool is unique to baking: because of its slotted surface, it helps provide cooling from over and under the cookie or cake. This helps prevent sogginess from developing on the bottom of your baked goods due to condensation.

1. Galvanized steel
   Stainless steel
2. Iron
   Lead

If you're a tea drinker and you're looking to keep an eye on your checkbook, you should eliminate the bags and get some loose leaf tea and an infuser. Many sellers will cut the price of their tea because there is no additional labor used to package the tea.

1. Steel
   Aluminum
2. Titanium
   Platinum

Wooden bats are found in pro baseball and most college leagues. Aluminum bats are the province of Little League and softball teams.

1. Mercury
   Barium
2. Carbon steel
   Stainless steel

Many times, flyaway hairs are produced by ponytails. The tighter and higher the ponytail, the more likely that the strands of hair will break.

1. Tin
   Lead
2. Cobalt
   Spring steel

In addition to securing diapers, safety pins functioned in fashion. Punks would often make bracelets, pierce their bodies and wear safety pins on their clothing.

1. Cobalt
   Lead
2. Silver
   Zinc

In addition to JFK, Liberty appears on the half dollar. The Walking Liberty coin was printed from 1916 until 1947, making a high quality coin very valuable.

1. Manganese-brass
   Nickel
2. Iron
   Lead

Sacagawea was known for helping explorers Lewis and Clark on their journey to the west coast. In addition to Sacagawea, her son is depicted on the coin. She had met her future husband while on the expedition.

1. Silver
   Aluminum
2. Steel
   Lead

During the 1980s, a hole was discovered in the ozone layer. Why? Because of Chlorofluorocarbons (CFCs), a component in the contents of every aerosol can. This chemical when combined with UV rays caused a reaction that caused the breakup of the CFC molecule, producing chlorine. This chlorine attacks the ozone layer, which caused the hole.

1. Platinum
   Vanadium
2. Gold
   Lead

Compared to live bait, fishing lures can be quite expensive, however, in the case of fly fishing, it is a must. When fly fishing, lures are flung into the water, mimicking flies landing on the water. If live bait were used, the weight distribution may prove to be difficult. Plus ... no one wants live bait flung on them!

1. Cobalt
   Barium
2. Zinc
   Calcium

If a cowboy or cowgirl is looking to strut their stuff, wearing their belt buckle trophy may do the trick. It will show the other competitors how good they are and because of this, they may acquire new fans.

1. Tin
   Silver
2. Brass
   Zinc

There are many different ways to get a stuck zipper unstuck, most of which involve adding a lubricant onto the teeth of it. Using lubricants (such as Vaseline, lip balm, and graphite from a pencil) helps aid in getting things moving.

1. Silver
   Brass
2. Lead
   Tin

When it comes to new construction, there are mandates in place. Since the ADA (Americans with Disabilities Act) was enacted in 1990, push lever doorknobs became the norm in office buildings and push-button door openers were put into place at malls, hospitals and other facilities.

1. Zinc
   Gold
2. Lead
   Silver

If you own home insurance, one of the first questions a claims adjuster will ask is whether the door was locked when a robbery occurred. If the answer was no, then your claim could be denied.

1. Galvanized steel
   Aluminum
2. Tin
   Lead

Why would you want to use galvanized steel inside of your oven? Kitchen accidents, of course! If you were to prepare something and it somehow scratched the inside of the oven, the protective coat on the steel would take the damage and not the steel itself.

1. Zinc
   Stainless steel
2. Silver
   Tungsten

When it comes to kitchen sinks, many of the industrial standards are stainless steel. Why? Stainless steel is relatively cheap to construct, easy to mold and easy to keep clean.

1. Gold
   Radium
2. Lead
   Mercury

Lockets are sentimental pieces of jewelry that are not much in fashion anymore. The idea is to put something inside the locket as a keepsake, be it a small picture, a lock of hair or other memento.