The blades are ment to be on the dull side, thou you can buy replacement blades for your blender.
The blades can be sharpened, almost anything metal can be.
Yes new lawn mower blades are sharpened.
Your blades probably need to be sharpened.
No how often they will need sharpened will depend on how much you use them and what on.
Clipper blades are sharpened using sharpening hones. It is best to trust a professional to do it for you.
u speaking of skates? 6 ,months
When sharpening lawnmower blades it Is important to check the blades for cracks or large notches due to hitting debris if any of these things are present it is important to buy new blades
Yes, you don't need to do anything but remove the old ones and put the new blades on.
No, they do not to be sharpened. They're not really skates. The kids just use them to get used to standing on the ice, and to walk in them on the ice.
The user melts the metal at a high temperature and reshapes it to a sharper point
Blades will lose their sharpness over time. These can be sharpened.
Definitely not. It is important to get your clipper blades sharpened by a professional, as it takes precision tools and equipment, a lot of skill, and attention to detail.