Please translate the given English sentence to Hindi
इसीलिए लेखन - कार्य बहुत ही धीमे - धीमे और कुछ कठिनाई से आगे बढ़ता था ।
Among the other instruments that a secretary like Tertius would probably have had with him were a knife to sharpen the reed pen and a damp sponge to erase his errors.