1. Ibikoresho byumubiri: 304 Icyuma kitagira ikinamico, ibyuma bya karubone; convestior plate ibikoresho 304 # moderi zitandukanye kubakiriya guhitamo.
2. Uburebure butera n'ubugari bwa tray burashobora guhindurwa hakurikijwe ibishushanyo cyangwa ibikoresho no gutanga ibisabwa.