BD gwajin jakar
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Kunshin Gwajin BD
Kunshin Gwajin Bowie & Dick shine na'urar amfani guda ɗaya wacce ta ƙunshi alamar sinadarai mara gubar, takardar gwajin BD, wanda aka sanya tsakanin fakitin lallausan takarda, an naɗe da takarda mai raɗaɗi, tare da alamar alamar tururi a saman fakitin.Ana amfani da shi don gwada aikin cirewar iska da aikin shigar da tururi a cikin ɓangarorin injin tururi.
