GDSL-D mndandanda woyamba wa mayeso a jakisoni wamakono, ndi zida zabwino zoyesera zida zamakono mumakampani amagetsi ndi magetsi, zomwe zimagwiritsidwa ntchito m'mafakitale amagetsi, malo ogawa, opanga magetsi ndi mabungwe ofufuza, okhala ndi mawonekedwe ang'onoang'ono, kulemera kopepuka. , yosavuta kugwiritsa ntchito ndi kukonza.