for protection of crops of peas, sugar corn, cucumbers, zucchini, squashes, pumpkins, melons from birds

an interesting video allows you to look at cotton wool manufacture.

сotton wool is pleasant to the touch, well-bonded between the layers, has a slight knotty

the video discloses the secrets of the full cycle production of different types of gloves

syringes are medical instruments used for administration of fluids using piston pressure

the video explains why particular steel needle is the most important part of a surgical syringe.