Many sewing machines require regular oiling. If yours is one of these, treat it accordingly. Read your instruction book or… https://www.rawpixel.com/image/12301970/image-person-art-bookFree Image from public domain license[Untitled photo, possibly related to: In the sewing room, migrant women are instructed in rug-making. Shafter camp for… https://www.rawpixel.com/image/12245441/photo-image-person-art-bookFree Image from public domain licenseIn the sewing room, migrant women are instructed in rug-making. Shafter camp for migrants (Farm Security Administration… https://www.rawpixel.com/image/12245427/photo-image-person-technology-woodFree Image from public domain license[Untitled photo, possibly related to: In the sewing room, migrant women are instructed in rug-making. Shafter camp for… https://www.rawpixel.com/image/12246610/photo-image-person-book-public-domainFree Image from public domain license