Why is it okay to run over a speed bump, but not a pedestrian?
Wielding knives, guns, spears, what?? Oh, you mean welding. You set yourself up for the funny answers dude. wield verb?/wēld/? wielded, past participle;?wielded, past tense;?wielding, present participle;?wields, 3rd person singular presentHold and use (a weapon or tool)
Depends on how heavy the smoke is. I've smoked cigars in my study with a smoke detector, it hasn't gone off. I'm sure if a few of my friends and myself are smoking, it will be thick enough to trip it. One cigarette at a time roughly equals cooking hamburgers in the kitchen as far as smoke level. So, if that doesn't trip it, neither should you smoking.