Used chemical products are exclusively intended for professional usage.

designed for both professional and private use (such as sport, leisure or household use

Helping to select and give value to the best suited horses for professional usage in the cattle

If have a second phone line dedicated to business use, you deduct all expenses for that line.

To remove birds, it may be possible to scare them away, but bird removal is likely to require professional trapping or baiting.

It applies to displays used in machinery (e.g. devices and installations, control panels, operating and monitoring consoles) for occupational and private use.