Icyayi kibisi kigomba gutunganywa cyinjira mu buriri bwa sikeri, kandi kunyeganyega k'igitanda cya sikeri bitera icyayi gukwirakwiza uburiri bwa buri gihe, kandi bigatandukana ukurikije ubunini bwacyo mukuzamuka a.Kunyerera mugice kimwe, ibice bibiri, ibyiciro bitatu cyangwa bine-bine yigitanda, unyuze muri hopper ya buri cyiciro kugirango urangize ibikorwa.

Tekinike ya tekiniketers.