Spend the time killing things and there's a bonus for each hit - but only for fatalities notched up since the start of your current life.

Overtorque of the delta hinge bolt is reported to cause binding in the pitch change mechanism and failure of the tail rotor pitch change bearing.

I love to walk when it's sunny–let's go for a walk in the park, shall we?

Skinner (1957) saw such tacts as responses that are reinforced socially.