Melted tin could be vacuumed into filter tube through special design nozzle and heater tube.
吸锡咀及发热管经特别设计， 熔锡状态亦能被吸进过滤器。
2
I usually buy the tube version, because sometimes when my hands aren't spotless I don't like to dip my finger into a tin of balm that is meant to go on my mouth.