What is the use of hem marker?

Are white gold and yellow gold worth the same? How do you gain 10kg in a month? What is the significance of holding a fountain pen in calligraphy? How do you down shift gears in a stick shift? How do you know which fuse does what on your rover 220 sd? What do you call a little window in a door that can be opened to peek out of? Why is lead pencil good for marking electronically scanned test papers or ballots? Which animals give us wool? How do you hand feed a baby barn swallow? What do you call a coarse fabric made of silk and mohair? In cleaning what does white tornado mean? What are some advanced techniques for enhancing the art of pen craft? How do you beat the pyramid boss in Frogger's Adventures The Rescue? If you were creating a lamp by hand what type of material would you chose for the wiring and what material would you chose to coat the wiring? How can I repair a sling chair? Explain how do you measure the value of the return on Goodwill in terms of income and expenses? What is a skilled trade? What is a sewing tape measure used for? How can you test purity of platinum block? What karat gold is stamped 976?