37. Iyo itara ry’umuhondo rimyatsa rikoreshejwe mu masangano y’amayira ahwanyije agaciro rishyirwa ahagana he:

38. Inkombe z’inzira nyabagendwa cyangwa z’umuhanda zishobora kugaragazwa n’ibikoresho ngarurarumuri. Ibyo bikoresho bigomba gushyirwaho ku buryo abagenzi babibona :

39. Ibinyabiziga bikurikira bigomba gukorerwa isuzumwa rimwe mu mezi 6:

40. Iyo kuyobya umuhanda ari ngombwa bigaragazwa kuva aho uhera no kuburebure bwawo n’icyapa gifite ubuso bw’amabara akurikira:

41. Ku mihanda ibyapa bikurikira bigomba kugaragazwa ku buryo bumwe:

42. Ibizirikisho by’iminyururu cyangwa by’insinga kimwe n’ibindi by’ingoboka bikoreshwa gusa igihe nta kundi umuntu yabigenza kandi nta kindi bigiriwe uretse gusa kugirango ikinyabiziga kigere aho kigomba gukorerwa kandi nturenze na rimwe km 20 mu isaha, ibyo bizirikisho bigaragazwa ku buryo bukurikira: