1. An injector is a service locator. 2. It is used to retrieve object instances as defined by provider, instantiate types, invoke methods and load modules. 3. There is a single injector per Angular application, it helps to look up an object instance by its name.
Lord Dalhousie was appointed as Governer General of India from 1848–1856. The first railway line connecting Bombay and Thane was laid under his authority in 1853 and is known as the maker of Modern India. He made way For Telegraph Services in India.
Which of the following definitions describes a chemical hazard?
A) Microorganisms, such as bacteria, fungus, mold, or viruses that can cause illness
B) These hazards can lead to injuries to the joints or muscles by way of heavy, frequent lifting, repetitive tasks
C) Can be present in dust, fumes, liquids, solids, mists, vapors, or gases of products used at a site or released during a construction job
D) The most commonly thought of hazards for construction
A) Microorganisms, such as bacteria, fungus, mold, or viruses that can cause illness
B) These hazards can lead to injuries to the joints or muscles by way of heavy, frequent lifting, repetitive tasks
C) Can be present in dust, fumes, liquids, solids, mists, vapors, or gases of products used at a site or released during a construction job
D) The most commonly thought of hazards for construction
Answer & ExplanationAnswer: C) Can be present in dust, fumes, liquids, solids, mists, vapors, or gases of products used at a site or released during a construction job
Internet service providers (ISP's) emerged in the late 1980's and early 1990's.
The ARPANET was decommissioned in 1990.
By 1995, the Internet was fully commercialized in the U.S., when the NSFNet was decommissioned, removing the last restrictions on use of the Internet to carry commercial traffic.
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