مشاريع

248-transformador-tr24

246-shaping-machine-tool*

247-single-cylinder-engine-model

245-manuel-clamp

243-crawford-shelf

242-gopro-hero-8-gimble

240-drum brake

239-compact-and-foldable-laptop-stand*

238-cierre

237-adjustable-desk

236-رافعة

235-transport-roller-transportroller

234-simple-catapult-mechanism

233-pipe Bender

232-a-electric-motor-efficiency

231-spherical-4-bar-linkage

229-steam-engine

228-stewart-platform

227-stop-valve-assembly

226-vacuum-tubes-solar-thermal-collectors