BSL Sign Language Dictionary
Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.
How to sign: a person trained in practical applications of the theory of electricity
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Categories: engineer, applied scientist, technologist
Within this category: Bush, De Forest, Dolby, Heaviside, Kennelly, Marconi, Siemens, Sinclair, Steinmetz, Tesla, Thomson
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