refutation by example

air defense by the use aircraft or missiles or artillery or electronic countermeasures

a minor short-term fight

a minor short-term fight

a minor short-term fight

a minor short-term fight

air defense by the use aircraft or missiles or artillery or electronic countermeasures

air defense by the use aircraft or missiles or artillery or electronic countermeasures

a hole (usually in wood) with the top part enlarged so that a screw or bolt will fit into it and lie below the surface

a hole (usually in wood) with the top part enlarged so that a screw or bolt will fit into it and lie below the surface