Because breaking of glassware made from current types of glass and the dispersion of chemicals is a lost of materials and sometimes a cause of serious accidents and contamination.
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Well, if it's never been used or it's totally clean, there is no reason why you can't eat or drink out of laboratory glassware. If the glassware is contaminated with chemicals, it is, however, absolutely inadvisable to do so!
you might get sick cuz it will harm your food
Close toed shoes
the limit concentration of sulphate is 1000 ppm after that "sulphate resistant cement" should be used
If glassware breaks, you should immediately pick it up.
I have no idea if this is what you mean, but glass should not be cooled rapidly or it will shatter. Other than that, there is nothing special about heating glass. It will eventually get soft and melt if you use very high temperatures. Pyrex is a type of glass that is more resistant to shattering than regular glass.
Wear safety goggles in case it splashes.
Microfiber cloth
What method should be used to clean glassware in a labortory
This depends on your experiment and glassware.
Well, if it's never been used or it's totally clean, there is no reason why you can't eat or drink out of laboratory glassware. If the glassware is contaminated with chemicals, it is, however, absolutely inadvisable to do so!
wash hands and clean glassware
The proper method that should be used to clean glassware is to rinse it between three to four times with deionized water. If it requires scrubbing then use hot soapy water and a brush to clean and then rinse with water before rinsing again with deionized water.
heat-restrictions
ring stand ths it son
Wear gloves so that you don't damage your hands.