1. This vacuum cleaner is a dry vacuum cleaner, a canister vacuum cleaner, and also a bagged vacuum cleaner.
2. The cyclonic vacuum cleaner is a canister vacuum cleaner, a dust cup vacuum cleaner, and a dry vacuum cleaner as well.
3. This vacuum cleaner is a portable vacuum cleaner, a car vacuum cleaner, a wet and dry vacuum cleaner, a cordless rechargeable vacuum cleaner, and a dust cup vacuum cleaner.
4. The budget smart vacuum cleaner is a smart vacuum cleaner, a cordless rechargeable vacuum cleaner, and a dry vacuum cleaner.
Summary: In conclusion, the classification results vary according to different criteria. Therefore, there are no rigid boundaries or a one-size-fits-all vacuum cleaners among products—there are only products that suit your needs.