What three simple machines work together in a handheld can opener?

During the Renaissance time from 1400s to 1600s what advancements were there in science or technology? What would be the best way to wire lights in a house in series or in a parallel give 2 advantages of the method? What is the full form of ispat in steel industry? What is tricomonous? What problems can occur during the maintenance of the instrumentation and control system? How do you wrte a sentence with the word cement? What is an initialization statement? What are two ways in which advancements in spinning and weaving transformed manufacturingned in great Britain? Code for linear search in vb? How do you open a file so that new data will be written to the end of the file's existing data? Does visual basic 4 work for Windows 7? Who invented drilling machine first? How does technology give people more control over their environment? Can you use ordinary transformer in place of auto transformer? How do you print my name in c program in vertical manner using arrays? How do you say Ball point pen in spanish? What are the strength parameters for upvc pipes? How much does a gigabyte weigh? If an engineers greatest concern is specific impulse which type of fuel should she use? Were there plumbers in the 1950's?