None is ok, still can hold on to any trade, mine is done
for good. 
My namecard printed
Mr. Bowah
Specialist in General
Back of card printed
Transport including taxis (LTA registered),
lorry and bus (class 4),
casket (singapore casket certified),
guards (e2i security guard certified),
air and sea port transfer, mortuary, crematorium and cemetry
transfer (including fast clearance),
night guard relief,
contractor for vessel voyage/dry dock/anchorage services,
loading and unloading of vehicle cargo (PSA certified and
clearance),
BBQ in Bak kwa.
at least done for good = certified, none = non certified =
lousy
rather be done than none.... in sg non certified = no no no to
most.....
me all half bucket.... :(