Hello All, I am in need of a portable plate beveler and want to know which type is the least stressful on the body; the rotary type using inserts or the Trumpf plunging style with sharpenable nibblers.Cost of no concern when it comes to health and longevity of limbs.Examples being Gerima SMA-40E (rotary) vs Trumpf TruTool TKF 1500 (plunger/nibbler)Thanks!