The idea of ​​the vaccine container
In this idea, instead of two containers of powdered and liquid materials, all in one idea has the following advantages:
1- Preventing environmental pollution and ...
2- Preparing materials according to the required weights in each dose
3- Less use of syringes for transfer
4- Easy mixing of two materials together (when in contact with each other)
5- Buying one package instead of several products
6- Reasonable production cost
7- Less production of equipment and sanitary waste in health centers
And perhaps many more