A. Skin
Before becoming skin ready to be used for the manufacture of a product, when the skin is still in its raw state is derived from the outer portion of the animals, tanned skin first. Tanning is a technique or a way in transforming raw hides into leather that is more permanent. With tanning, animal hides perishables can be resistant to attack by micro-organ is me. Tanning can be done in many ways, there penyamaknya materials derived from vegetable / plant or chemicals. This type of skin is used usually cowhide, horse.
B. Metal
(1) Definition
Metals have a very important role in our lives. The furniture industry uses the metal to be combined with wood that seem luxurious. Metals may also be combined with one or more that still has the properties of metals or called Alloy (mixture). There was also a pure metal (pure metal) include copper, gold, silver, platinum. Although different types of metals but have in common is shiny. In addition there is also a form of solid metal liquid water misalya raksa.Untuk more details following explanation of the metal:
(a) Iron
Iron is a type of metal that is most widely used in our lives. To produce an iron can use the print system but there is also an iron cylindrical and long called reinforced concrete. Concrete steel having a diameter of 8 mm, 10 mm, 12 mm, and has a different length of 10 m as well. 11 m, 12 m, iron is often used for construction materials or paper application.
(b) Brass
Brass is a mixture of copper and zinc. In our lives brass is often used is the form of slabs or plat.Ukuran commonly sold in stores is 120 x 36 cm.
(c) Copper
Copper is the oldest metal and is a pure metal. Copper is a good conductor of electricity so that it can be made into a power cable. One of the most important properties of copper which is the ability to merge with – other metals and forming metal alloys that are stronger than copper murni.Tembaga mixed with zinc to produce brass, copper with tin to produce bronze, copper with nickel produces cupronickel, copper with tin and zinc generate pan ,
(d) Aluminum
Aluminum is very useful because it is lightweight. Aluminum metal is also a good conductor of electricity so that it can be used to make electricity transmission cables.
(F) Stainless Steel, this metal called stainless steel and commonly used in knives, forks, spoons, cooking utensils and so forth.
(2) The use of metal
In development are now many types of metal applied to the types of wood products such as furniture, craft / handicraft, accessories and other sebagainya.Diantara furniture products especially applied to the metal iron are:
1. Tables and chairs
2. Makeup
3. Bed / bed
4. Lampshade
5. Shelf TV