Holes for the hook-bolts are drilled through the timber at suitable intervals round, and well within, the indicated perimeter of the hole.
Imingxunya yezikhonkwane ezinamahuku ibholwa kumaplanga kwizikhewu ezifanelekileyo ngokjokeleza kakuhle ngaphakathi/kwindawo kumjikelezo obonakalisiweyo womngxanya.