take special care of easily portable equipment (for example a laptop computer), as it is easy to steal; equipment is particularly vulnerable if left on display in cars
pan fo drws ar gau at ddibenion diogelwch (megis storfa siop), sicrhau y gall gael ei agor yn hawdd o'r tu mewn drwy osod dyfeisiau bar gwthio ni ddylai'r rhain gael eu rhwystro