You must keep them free from Mercury because mercury is toxic! Mercury is poisonous and should not be handled without appropriate oversight by professionals and adequate protective procedures. Your question doesn't clarify whether the mercury many be from the containers themselves or the contents, but it doesn't matter because mercury from a container can contaminate the contents.
Keep your jewelry in seperate containers and be sure to polish them often.
Yes, containers keep chemicals or mixtures away from bacteria in the air.
The storage containers that are best to keep onions are the plastic containers. They are real good with keeping onion nice and fresh. I do know that Ziploc has some plastic containers.
Keep water in firmly closed containers.
Cans or buckets that you keep paint in.
Boxes are containers to keep something in
To keep my fruits fresher, I put them into Glad containers. Glad containers always have kept my fresh fruit fresh longer!
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by keeping the air out. SIMPLE
Because liquids has not a form (as solids).
The best ice cream storage containers to keep your frozen treats fresh and delicious are airtight containers made of materials like plastic or stainless steel. These containers help prevent freezer burn and maintain the quality of the ice cream.
Keep them in separate containers