Depending on the guns- steel, brass, aluminum, copper, nickel, other metals, wood, and various plastics.
Typically at least 2, and as many as a dozen. Depends on which gun.
zinc, steel, titanium, scandium, aluminum, wood, plastic
time, materials and knowledge.
Currently there are mainly three different materials used to make gun holsters of. The first (and most probably oldest) one is leather. Besides that in our days also ballistic nylon and Kydex are used.
Skills, raw materials, specifications, tools
Dental materials are examples of materials that are used to make impressions.
Various metals, plastic and wood.
Steel, brass, wood, plastics.
who first used plants to make materials
what materials were used to make coal trucks
The materials used to make cement are,Calcareous materials (limestone)Argillaceous materials (clay)gypsumCoal dustIron oxidemagnesiumAlkalies
Wool or Cotton. They are both materials that can be used to make a blanket.