<prompt> Yakha inguqulo eyinkimbinkimbi yalesi sigwebo I-GigaCrete yasungulwa ekuqaleni kwekhulu lama-21 ngumakhi wezakhiwo waseBrithani owazalwa nomklami wezimboni u-Andrew C. Dennis.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yalesi sigwebo ithi IGigaCrete yasungulwa ekuqaleni kwekhulu lama-21 ngumakhi wezakhiwo waseBrithani nomklami wezimboni u-Andrew C. Dennis owayenomqondo wokwakha izinto zokwakha eziqinile, ezingasindi, futhi eziluhlaza . 