A method of mechanically connecting connectors 4 and 5 to first objects 1 and 2 is disclosed. The method comprises the steps of providing a first object (1 and 2) having an opening, providing a first connector member (4), a second connector member (5), and a solid state thermoplastic material (8) Disposing the first connector member 4 and the second connector member 5 against the opening and removing the at least thermoplastic material 4 until it is in direct (close contact) with both the first connector member 4 and the second connector member 5, Applying energy to the thermoplastic material (8) until the flow portion of the material (8) is flowable and flows to the first connector member and the second connector member; Wherein the re-solidified thermoplastic material (8) comprises a first and a second connector member (4) and a second connector member (5) lock to form the first connector member 4, the second connector member 5, and the thermoplastic Wherein the connector assembly is made by thermoplastic material 8 by locking the first connector member 4 and the second connector member 5 or by both, And is fixed to the opening.
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