Assertion: electric soldering iron | /r/HasProperty | indispensable tool
Facets:
value: in the process of electrical maintenance
type: TEMPORAL
value: for electronic production
type: PURPOSE
value: for electrical appliance maintenance
type: PURPOSE
Source sentences:
text: Electric soldering iron is an indispensable tool for electronic production and electrical appliance maintenance.
text: In the process of electrical maintenance, the electric soldering iron is an indispensable tool, but many maintenance personnel who have just contacted the soldering iron do not know what standard to use the power of the electric soldering iron according to the welding process.