From Minecraft Wiki. The purpose of an enderman trap (popularly called Ender Ender) is for the easy access and killing of endermen. It is possible for the user to create such a trap that can be used by simply standing still, and looking at the endermen. This angers any you look at, luring them into the trap.he purpose of an enderman trap (popularly called Ender Ender) is for the easy access and killing of endermen. It is possible for the user to create such a trap that can be used by simply standing still, and looking at the endermen. This angers any you look at, luring them into the trap.
Causes of Cross-Contamination - how it happens (continued): â¢Processing excessive number of specimens in one batch due to staff shortages may lead to breakdown in protocol adherence and introduce potential error for cross-contamination.
Soil contamination or soil pollution is caused by the presence of xenobiotic (human-made) chemicals or other alteration in the natural soil environment.It is typically caused by industrial activity, agricultural chemicals, or improper disposal of waste.The most common chemicals involved are petroleum hydrocarbons, polynuclear aromatic hydrocarbons (such as naphthalene and benzo(a)pyrene) , solvents, pesticides, lead, and other heavy metals.Contamination is correlated with the degree of industrialization and intensity of chemical usage.aturally occurring fate of pollutants in soils. Soil contamination or soil pollution is caused by the presence of xenobiotic (human-made) chemicals or other alteration in the natural soil environment. It is typically caused by industrial activity, agricultural chemicals, or improper disposal of waste.