Bismuth is used in fire detectors, fishing sinkers, and bismuth bullets (instead of lead bullets).
Ever hear of Pepto Bismal? The main ingredient contains bismuth.
added to iron, steel and aluminum alloysmakes machining qualities betterdrugsglasscosmeticsfire detectionfusesmagnets
Using " Has " is referred a past tense. Such as: He has taken the garbage out already. Using " Is " for example is referred a Present tense. Such as: He is taking out the garbage.
A drawbridge allows welcome guests into a castle to cross the moat(a trench of water that goes around the perimiter of the castle)