Ny varavarana afo dia singa fanasarahana afo mahazatra izay azo sokafana sy hikatona amin’ny karazana trano rehetra, indrindra amin’ny trano avo. Izy io dia fitaovana lehibe amin’ny famonoana afo. Aorian’ny fametrahana varavarana tsy misy afo izay mahafeno ny fepetra, dia hita eo amin’ny varavarana ny takelaka misy ny mari-pamantarana, ary ny takelaka anarana dia hanome ny fampahalalana manokana momba ny varavarana tsy misy afo.

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