How did the vaccine impact society? Vaccination, along with sanitation and clean drinking water, are public health interventions that are undeniably responsible for improved health outcomes globally. It is estimated that vaccines have prevented 6 million deaths from vaccine-preventable diseases annually (Ehreth, 2003). What vaccines were given in the 1950s? In the early 1950s there […]
What are the stages in design process?
What are the stages in design process? Stages in the Design Process Analyze the situation. Before beginning the design, sort out what problem you are trying to address. Write a brief. Research the problem. Write a specification. Work out possible solutions. Select a preferred solution. Prepare working drawings and plan ahead. Construct a prototype. What […]
Why do boats and ships have streamlined shape?
Why do boats and ships have streamlined shape? The aeroplanes and ships have streamlined shaped bodies to reduce drag. The streamlined shaped body experiences minimum resistance when travelling through water or air. It helps to reduce friction. Why does a ship have streamlined body? The aeroplanes and ships have streamlined shaped bodies because they travel […]
What are the main components of an engine?
What are the main components of an engine? Let’s take a look at the main parts of the engine. Engine block. The block is the main part of the engine. Pistons. Pistons pump up and down as the spark plugs fire and the pistons compress the air/fuel mix. Cylinder head. Crankshaft. Camshaft. Valves. Oil pan. […]
What products can be made from recycled aluminum?
What products can be made from recycled aluminum? Aluminum can be recycled into a lot of different products such as tractor trailer and car bodies, however, aluminum cans usually become new aluminum cans. Recycling aluminum does not reduce the quality of the metal, so it can be recycled indefinitely. What is the step by step […]
What is Multirange voltmeter?
What is Multirange voltmeter? The moving coil multi-range voltmeter can be used to measure A.C. as well as D.C. voltages. To measure the voltage, select the desired voltage range and toggle the switch to choose between AC and DC. How do you make a digital voltmeter? Diy digital voltmeter panel meter 0-50V Figure 1 is […]
What is V4 in ECG?
What are the advantages and disadvantages of presenting?
What are the advantages and disadvantages of presenting? You may want to add paragraphs to explain further advantages or disadvantages, but there should be only one main idea in each main body paragraph. Don’t list all of your advantages/disadvantages in one paragraph…. Introduce the disadvantage (topic sentence) Explain/give detail. Example. What are advantages and disadvantages […]
How much water do I need to fill my pool?
What is dislocation strengthening mechanism?
What is dislocation strengthening mechanism? For this strengthening mechanism, solute atoms of one element are added to another, resulting in either substitutional or interstitial point defects in the crystal (see Figure 1). The solute atoms cause lattice distortions that impede dislocation motion, increasing the yield stress of the material. How can I strengthen my alloys? […]