We've moved to 3740 N. Josey Lane, Suite 102, Carrollton, TX 75007, Tel: 972-325-7232, Fax: 972-215-7333

What do certain directions mean. MARKING A ROW

What does "marking a row," do? I see directions and on TV that they either put a plastic ring or a yarn on a row. What does that mean? What am I looking for and why is it needed? Thanks everyone!!

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