Kumonekta sa mga eksperto at makakuha ng mga sagot sa IDNStudy.com. Sumali sa aming platform ng tanong at sagot upang makakuha ng eksaktong tugon sa lahat ng iyong mahahalagang tanong.
Explanation:
The faster and longer you sew, the more heat and friction will be generated. However, the rule of thumb is lubricating the machine after every three to four bobbin changes. Or clean and lubricate the hook area after each day of sewing.