strTree="" strTree = strTree + "
| "
strTree= strTree + " | "
strTree= strTree + "" strTree= strTree + "" strTree= strTree +กก"battery pack" strTree= strTree + " |
| "
strTree= strTree + " | "
strTree= strTree + "" strTree= strTree + "" strTree= strTree +กก"charger" strTree= strTree + " |