a tempest in a barrel

a piece of nasty work acroname Actinomyces farcinicus clamping surface enclosed conveyer conduit engagement-rings fixed-trip switch folkrede hhg interval age Kocks' operation Me-akan-dake mergus merganser merganser raster image file format restricted homogeneous holonomy group simple nonlinear correlation torque arm trapeziform twist hold-back zephyrhills