A diaphragm is a silicone, cup-like object that you insert into your vagina to cover your cervix. Diaphragms must be used in conjunction with spermicide, which is a sperm-killing gel. A diaphragm has ...
Diaphragm pumps are the hidden heroes behind some of the most essential industrial applications. These prolific machines are used in a wide variety of processes across industries—agriculture, ...
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