A na-egosi David Polasek na Best Designs of the World na nchịkọta a: nhazi 2 nwetara ihe nrite; ụdị ndị e nyere nkwanye ugwu bụ: Nhazi Ngwá Ike, Ngwá Ọrụ Ike na Ngwá Ọrụ Aka na Nhazi Ngwaahịa Nchekwa, Nchedo na Nlekọta Anya.
Nhazi nke David Polasek
Nhazi Ngwá Ike, Ngwá Ọrụ Ike na Ngwá Ọrụ Aka Thermacut Plasma Torch nke David Polasek
#106220
Nhazi Ngwaahịa Nchekwa, Nchedo na Nlekọta Anya Cominfo EasyGate Superb Turnstile nke David Polasek
#88464
E nyere nkwado