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If we consider the friction or screw jacks used to lift a vehicle to change a flat, almost all of those are made entirely of metal (steel). In the case of hydraulic jacks, they are made largely of steel, and have rubber for seals and hydraulic fluid to provide the media to perform the hydraulic work.
2 jumbo jacks
There are many various types of screw jacks and mechanical actuators. Examples include metal screw jacks, rotating screw jacks, inverted screw jacks and vertical screw jacks.
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Brass aluminium alloy is using to make the car-key, because it's material and mechanical properties are possible for the car-key.
Dental materials are examples of materials that are used to make impressions.
who first used plants to make materials
what materials were used to make coal trucks
you need a mechanical pencil and just UNtwist the tip and take it off then pull the rest of the pencil and pull it out the back and then you will have a tube.
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.