Centuries ago people discovered that ice could be made and stored by gathering snow in the winter and packing it into pits that were covered with straw and with oak branches.
उन्‍नीसवीं सदी में बर्फ़ बनानेवाली मशीनों का आविष्कार किया गया और इन्हें बड़े पैमाने पर उत्पादन के लिए इस्तेमाल किया गया ।