Secondary stress. A secondary stress is any stress in the structure which is not a primary stress or peak stress. Source: API SPEC 16R, Specification for Marine Drilling Riser Couplings, Exploration and Production Department, First Edition, January 1997. Global Standards.
Two groups of ground nesting bees commonly. found in Michigan are bumble bees and. burrower (andrenid) bees. Bumble bees are. easily recognized by their large, robust, hairy, black and yellow (sometimes orange) bodies. Bumble bees live in colonies of several. hundred individuals, but only the queens.
Lesson 20: Different Types of Honey Bees. Here at Long Lane Honey Bee Farms, we are committed to help you be a successful beekeeper. David is a certified master beekeeper. We are offering 2 days of Queen Rearing classes June 27-28, and two Basic Beekeeping courses Oct 4 and Oct 25.