What should be avoided when working with molten lead?

When working with molten lead, pouring into wet vertical joints should be avoided because the presence of moisture can cause the lead to react violently by creating steam. This steam can expand rapidly, potentially leading to splashing or even an explosion of molten lead. This is especially hazardous in vertical applications where the molten lead might flow uncontrollably, leading to burns or injuries.

In contrast, using safety gloves is essential for protection against burns; therefore, they should be utilized, not avoided. Pouring into dry joints is also considered safe as it reduces the risk of steam generation. Having a steady hand while pouring is crucial for control and to prevent spillage, so it is an important practice when working with molten materials.