Fork-lifts are operated throughout the bottling plant and their safe use is imperative. in addition to demonstrating their driving skills, potential operators must understand fork-lift safety principles. licenses are commonly issued to show that a minimum level of competency has been achieved. fork-lift safety programmes should include a pre-use inspection process, whereby the vehicles are checked to ensure that all safety equipment is in place and working. any deficient conditions be immediately reported and correced. gas or liquid petroleum (LP) fork-lifts generate carbon monoxide as a by-product of combustion. such emissions can be minimized by keeping the fork-lift engines tuned to manufacturers' specifications.