Practical Digital Hub creates and sells digital educational content: clear, illustrated "visual maps" in PDF format that summarise technical topics for professionals and students — electrical installations, welding, refrigeration and HVAC, workplace safety, healthcare assistant training and building diagnostics.
Every product is a one-time purchase (no subscription). Right after payment the buyer receives instant online access to the files by e-mail and in our members area. Nothing is shipped physically.
See products & pricesVisual guides for residential electrical installations (Italian).
Visual guides for welding processes, joints and defects (Italian).
Visual guides for workplace health and safety (Italian).
Visual guides for refrigeration and HVAC systems (Italian).
Visual study material for healthcare assistant (OSS) training, updated to the 2025 profile (Italian). Educational content only, not medical advice.
Visual guide for building inspection and diagnosis (French).
Practical Digital Hub is a brand of IS SOLUCOES DIGITAIS LTDA, a limited company registered in Brazil. Questions about an order, access or a refund? Write to isdigital20261@gmail.com. We reply within 2 business days.