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Each of us has been guilty upon occasion [Man hitting a tree with a racket]

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of misusing tools who among us has an occasionally eaten our soup with a fork

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or let the grill with a flamethrower or rough brushed our teeth with a toilet [Girl brushing teeth with toilet brush]

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bowl scrubbers the appropriate tool for the job is important so if you wouldn't

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shampoo your hair with dishwashing detergent why would you use a piece of [Man shampooing his hair]

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lab equipment to do something it wasn't designed to do but when conducting

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experiments you're sometimes dealing with super small measurements if you

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pour some of liquid a into beaker B and a few drops of liquid a get left behind [Scientists using micropipette]

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it could clearly throw off the results of your experiments which is why there

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are pieces of glassware specifically designed to leave no traces of anything [Chemicals in lab glassware]

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behind well these are marked td4 to deliver their job is to yep you guessed

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it deliver stuff your mailman wouldn't be doing a very good job if you only [Mail man delivering letters]

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delivered most of your mail right well same dealio with glassware if you're

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using something marked TD you can bet your boots that nothing will be left in

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it by the time you're finished pouring it out on the other hand there are other

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types of glassware that are designed to have stuff emptied into them and these

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are marked TC for to contain well these are for holding storing and measuring [Substance poured into beaker]

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substances but aren't so great at being emptied without holding on to at least a

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few drops of whatever was inside of them they're pack rats those guys well there

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are also pieces of equipments that are more or less precise than others you [Glassware waving]

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should be able to see on whatever measuring device you're using an

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indication of the things precision if a graduated cylinder says plus or minus [Cylinder wearing graduation cap]

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one milliliter then you can assume that any measurements taken are correct

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give or take one milliliter this cylinder would be more precise than a

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beaker reading plus or minus five milliliters so if you're looking to hit

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the nail right on the head a graduated cylinder would be the way to go got it [Man strikes nail into mans head]

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have you ever heard someone described football of the game of inches

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well chemistry is a game of milli pretty much if you're off by even a [Boy kicks a football]

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fraction you're not going to get into the end zone

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so be focused be vigilant and for goodness sakes don't do the dishes with [Girl vacuuming]

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a vacuum cleaner come on people

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