Three things we should not do in the lab are:
1:Eat
2:Play /run
3:Eat from the lab
Thomas Edison allowed people to visit his lab.
There are a number of places one could obtain lab supplies for a chemistry lab. One can purchase such items from ebay, Laboratory-Directory and The Lab Warehouse.
food, drink, loose hair, contacts (esp. in a chem lab), etc,
book
Items meeting federal regulations and airline guidelines.
Food and drinks are not allowed in the high school chemistry lab.
It identifies items that are flammable or combustible.
peg
No. Try to avoid plumbing line in ceiling . If at all there is a leakage then it disturbs the lab.
smoking is not allowed based on the smoke coming from the cigarete and it is another variable to the experiment
probably a 'peg'
It is a clamp