Expressed breast milk should be
kept in a clean container, such as a glass bottle or milk bags for breast milk, with the date marked on it.
Put
grout in a clean container, use a plastic spoon or other hard object to break up lumps and make the grout as fine as possible.
Carefully take the malai with a spoon and collect
it in a clean container else you can use a strainer to take the malai.
After your pump parts have completely air - dried, store
them in a clean container (such as a Ziploc bag or a Tupperware container).
Are they actually washing the parts safely, are they washing their hands before handling the milk, are they putting
it in clean containers, are they storing it in the refrigerator or the freezer safely?
When collecting milk, be sure to store
it in clean containers, such as screw cap bottles, hard plastic cups with tight caps, or heavy - duty bags that fit directly into nursery bottles.
Just drain
it in a clean container and use a paint filter to keep particulates out when you put it back in.
An alternate method is to place new fish with their shipping water
in a clean container and drip water from your aquarium into the container using air hose and a plastic control valve.