с большой осторожностью
• Great care should be exercised in handling all blueprints.
• These data must be used with (a) great (deal of) caution.
Источник:
Русско-английский научно-технический словарь
на Gufo.me
• Great care should be exercised in handling all blueprints.
• These data must be used with (a) great (deal of) caution.