Its because the engineering tollerances on new appliances are tiny, I recently installed an oven and the sheet metal couldnt be more than 1/16' thick (1.5mm). I

Its because the engineering tollerances on new appliances are tiny, I recently installed an oven and the sheet metal couldnt be more than 1/16' thick (1.5mm). I was stunned by the fact i could probably punch through it.