{"product_id":"2940149796298","title":"Ladder Logic \u0026 Programmable Controllers","description":"Ladder logic controls million dollar machine tools, and also industrial processes.  Plant maintenance people and Engineers need to understand ladder logic.\u003cbr\u003e\u003cbr\u003eProgrammable controllers are used in industry.  They are programmed with ladder diagrams.","brand":"Frederick Hoehn","offers":[{"title":"Default Title","offer_id":47073061765360,"sku":"2940149796298","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940149796298_p0.jpg?v=1763723286","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940149796298","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}