Mealey's (October 30, 2019, 1:11 PM EDT) -- DENVER — A mechanical engineer is not qualified enough to opine as an expert that a defective scissors lift caused injuries to a worker who fell off the lift while moving gear off a resort stage, the 10th Circuit U.S. Court of Appeals found Oct. 28 in affirming the expert’s exclusion and resulting summary judgment win for the lift maker (Timothy I. Siegel, et al. v. Blue Giant Equipment Corporation, Nos. 18-5113 and 19-5007, 10th Cir., 2019 U.S. App. LEXIS 32254)....