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.
Today we will learn about 5 most common types of bees. Five Different Types of Bees: 1. Honey Bee: Size : Â½ to Â¾ inches. Lifespan: 4 months in winter and 6 weeks in summer. Honey bee hive has 10,000 to 50,000 bees and 20 to 80 pounds of honey.