Why are margarine tubs made of polypropylene?

How are generators and batteries different? State the procedure you would used to calculate a 5 resistor series-parallel circuit to a one 1 resistor circuit? In a parallel circuit a parallel branch is usually called which current or resistance or voltage path? Why should filing be done from the corners to the center of the nail? How c handle sting functions? Can you do chemistry if you're good at math and economics or is that a myth? What is a constructor initialization list? Which technological factor determines the impact of a failure domain? What is the difference between a radial circuit and a ring final circuit? How is the two speed three phase motor internally connected? How does scrapping metal work? The what energy of water in a dam is increased by raising the level of water behind the dam? What program do they use to make c plus plus compilers? Which will do less damage between plugging a 110-volts appliance into a 220-volts circuit or plugging a 220-volts appliance into a 110-volt circuit? What is the symbol used for recycling? What are greenfield sites? What is meant by DC motor? What Reduced power and response time of the motors is an early indicator? How many pins does a lm555 time have? What is the name of laminated heat-proof plastic used for surface?