Sun collectorsSun collectors – the easiest way to use the sun radiation for producing energy is to place a flat-plate collector in sunbeams’ way. The ...

Electronic training collarThe electronic training collar DOGtrace d-control consists of a transmitter and collar which will help you train your dog with efficiency ...

Rental of laptopsShort-term rental of laptops for training purposes, rental of laptops for presentation at trade fairs, rental of laptops according to ...