Видео с ютуба Skullandskill

Vaccm Cleaner - demo & presentation

How to make a Spectrometer

Motor boat - demo by out learner

Vaccm Cleaner - presentation

Electric crane - demo by our learner

Demonstration - Vaccum Cleaner!

Water Rocket (with parachute) Demo

Motor well presen. - rdm

Electri remote car - made by our learner

Demontrating Periscope - Maker @ Work Shop

Submarine demonstration

Vacum Cleaner presen. - ark

Vaccm Cleaner - presentation

How to make a Water Rocket (with parachute)

Motor boat at workshop

Hand Pump demo - lks

Hydraulic Press demo - aks

Water alarm from workshop at home

Hydraulic Hand - liquid pressure, motion and design!