What type of fiber is man-made?

What does the resistor in a steady hand game do? What is the purpose of valves in a pneumatic system? What is the stc rating of solid core door? How do you repair main circuit breaker on ships? If the number of turns in the primary side of the transformer is 200 and the number of turns in the secondary coil is 100 what is the ratio? How high can a load be on a Utility trailer that is 5' X 8'? Need and mode of irrigation of civil engineering? Why might a programmer prefer the top-down approach to programming design? Is methods and principles the same? What is a dripping pipe called? What does helvetiorum fidei ac virtuti mean? What is epigenetic tag? If two resistors of equal value are connected in parallel with each other. The power dissipated by the two resistors will be equal to the sum of the power dissipated by each resistor true or false? What is the HTML code to upload a gif or jpg picture from a PC onto a website? Is it good to ask doughts? can you use gray PVC with white PVC? Write algorithm for getting ready to come to school? A full binary tree with n non leaf nodes contains how many nodes? Answers to cpcs A58 technical test? What design conflicts might arise in architecture where availability and security requirements are the most important functional requirements?