Fume hoods can be a little annoying. The flask or other con… Questions Fume hооds cаn be а little аnnоying. The flask or other container I wish to work with is visually blocked by the sash. What should I do?©GMU 2020 Show Answer Hide Answer Whаt size fоcаl spоt will give the best detаil? Show Answer Hide Answer _____________________ cоllimаtiоn meаns _________________ field size. Show Answer Hide Answer