Iri hema rinini ryakozwe muri 1680D Oxford hamwe na coefficient ya 7000m. Ingano ya Canopy meters metero 5 z'uburebure, metero 7 z'ubugari na metero 3,5 z'uburebure. Guhuza ibiti n'ihema birashobora kuzana uburambe bwo gukambika.
Bitandukanyeamahemayuburyo butandukanye burashobora gushyirwaho munsi yigitereko. Nkaihema, ihema,ihema, ihema, n'ibindi.