When an interface is easy to use it is normally referred to as a user friendly interface. A friendly user interface saves time and does not require any special skills to operate.
Adjectives used to describe a person who is hurt easily by disappointment are: Sentimental and senstive.
when the window is user friendly then we can easily use the user interface.
volatile
A switch is commonly used to easily start and stop the flow of electrical current.
userfriendly
They used U-boats
Hardness, how easily it can be scratched
Triangles are used in structures because a triangle is a very stable shape that cannot be stretched or squashed easily - unlike rectangles which can easily become parallelograms.
They are used to emboss the numbers on checks so that they can't easily be altered.
it does not melt easily and does not absorb liquids. also, it allows us to see inside. It doesn't corrode easily.
Elements in Group I and II can easily bend, but cannot breakdown easily. So as Mg is in Group II, it can bend easily but does not break easily.
The tepee (tipi) was used by Native Americans for shelter.