A hinge <e1>assembly</e1> attaches a <e2>cover</e2> pivotally to a base of an electronic device and has a pivoting leaf and a stationary leaf.
A hinge assembly attaches
A hinge assembly attaches a cover pivotally to a base of an electronic device and has a pivoting leaf and a stationary leaf.
<triplet> assembly <subject> cover <object> Component-Whole(e1,e2)