Ditch Witch JT60 Horizontal Directional Drill. The Ditch Witch FX60 Vacuum Excavator. Ditch Witch, a company of Charles Machine Works, is an American brand of underground construction equipment, which has been in operation since 1949. The company is based in Perry, Oklahoma. Innovation of Ditch Witch machines started in the 1940s when a compact trenching machine was created to replace the pick and shovel for installation of some residential services.
Exocrine glands are glands that produce and secrete substances onto an epithelial surface by way of a duct. Examples of exocrine glands include sweat, salivary, mammary, ceruminous, lacrimal, sebaceous, and mucous.Exocrine glands are one of two types of glands in the human body, the other being endocrine glands, which secrete their products directly into the bloodstream.xocrine glands are one of two types of glands in the human body, the other being endocrine glands, which secrete their products directly into the bloodstream.
Exocrine glands contain a glandular portion and a duct portion, the structures of which can be used to classify the gland. 1  The duct portion may be branched (called compound) or unbranched (called simple).he liver and pancreas are both exocrine and endocrine glands; they are exocrine glands because they secrete productsâ bile and pancreatic juice âinto the gastrointestinal tract through a series of ducts, and endocrine because they secrete other substances directly into the bloodstream. Contents.