I roto i tenei take i whakamahia 70 whakaata, ia ki te paninga parahi, me te rahi o te a tawhio noa e rima e toru waewae (1.5 e 1 m). i tohua nga whakaata ki te plywood mock-ake o te kaipuke whawhai Roma i te tawhiti o te a tawhio noa 160 waewae (50 m). ka arotahi tika te whakaata, ka pakaru te kaipuke i roto i te mura i roto i te torutoru hēkona. i te kaipuke plywood i te paninga tar, i taea e kua he peita i te mura. i te paninga o tar kua kua noa i runga i nga kaipuke i roto i te wā classic. i roto i te Oketopa 2005 i kawea e te rōpū o MIT Bus ki te kotahi 127 tapawha-waewae (30 cm) mirror rakau, i whakatakotoria ki te rangi i raro i te rahi e pā ana ki te rima rima waewae e toru waewae (1.5 e 1 m). i roto i tenei take i whakamahia hoki 70 whakaata, ia ki te rahi o te parahi parahi i runga i te rangi i runga i te ara tata ki te 300 ° C. i
Ko te tau 1973