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Gland steam is used in engineering to prevent air from entering the steam chest.
straining coils are winding that we uses to prevent the fault operation of relay
Flux is used to prevent oxidation while soldering wires and components in electronics.
High skin resistance can produce severe skin burns but prevent the current from entering the body
to prevent the switches from voltage spikes for that we using soft switching
Install air curtain
Seal up all identifiable holes and cracks around your home to prevent bees and any other unwanted pests from entering. Seal up all areas, including eaves and overhangs, walls, fascia, chimneys, windows and door framing and around A/C and electrical units. That way you can make sure that bees (and other pests) won't invade your home.
Monopoly and Oligopoly are two barriers that prevent firms from entering the marketplace.
50 mesh net
Shutting it.
Epiglottis
no
Phospholipids in the cell membrane prevent water from entering a cell.
Phospholipids in the cell membrane prevent water from entering a cell.
to close windows and doors
It is to prevent dust from wood from entering your eye.
Phospholipids