Sawing of wood; dressmaking; printing; providing material treatment information; embroidery; soldering; burnishing by abrasion; sawmill planing; grinding; flour milling; engraving services; metal refining services, namely, gold and silver refining; textile treating, namely, applying finishes and chemical treatment to textiles; galvanization; gold-plating; tin-plating; dyeing services; clothing alteration; bookbinding services; work of art framing services; purification of air; material treatm...

Education services, namely, providing classes, seminars, workshops in the field of physical science, mathematics, information systems engineering, communications engineering, information sciences and technology, energy and sustainable development, electronics, computer science, network architecture and security, automation and industrial robotics, embedded systems engineering, electrical engineering, biomedical engineering, business engineering, financial engineering, mechatronics, and teleco...