counterbalanced forklift operator's theory course
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You can buy this Instructor's training slide set of 130 slides for £50
Forklift truck lateral, (sideways), instability
In the next section, lateral stability of fork lift trucks is described. This is the most common way for forklifts to overturn and accounts for around 75% of all tipovers.
A technical description of the tests that are done to ensure a forklifts' lateral stability is described here. (Opens in a new window)