Most people who have experience with the litigation system will tell you out rightly that the chief of the case is determined by having irreversible evidence and good witnesses. Evidence at times can be called on as irrelevant to the case but the testimony of a reputable expert cannot be dismissed.
A good number of civil cases today have to do with slip and fall claims. Slip and fall claims include accidents gotten when an elevator drops or an escalator freezes. In such a case, the expert you want on your stand is an elevator expert witness.
It is important that you choose the right one from the beginning and do not have to replace them in the middle of the case. It simply looks shabby if that happens. Getting the right expert to testify for you is dependent on several factors. You have to ensure the individual has vast knowledge in working with moving machines.
They need to have reputable credentials from the institution they were trained and the firm they work in. Hands-on experiences are crucial and it is an added advantage if they have worked in a supervisory role. Search for one conversant with the safety codes and regulations governing this area to ensure you cover all your bases.