"for punishment to work (i. e., to weaken the frequency of undesirable behaviors without creating a backlash), the punishment must be strong enough to stop the undesired behavior and must be administered"

Consistently,

Contingently and quickly

Explanation:

Consistently: it must follow a prescribed pattern and procedure putting the legal provisions in check.

Contingently: It must be administered in such a way that it is seen as dependent on the for a change character to occur. It should be administered putting into consideration of the undesirable character which are to be corrected.

Quickly: It must be administered on time,this is to ensure that the punishment gives immediate corrective action and prevent a reoccurrence of such undesirable character.

explanation:

a fuel engine ( known as a gasoline engine in american english )is an internal combustion engine with spark ignition, designed to run on petrol (gasoline) and similar volatile fuels.