(Boneh-בונה Ep. 62) (#782) What might be some of the problems that could arise with opening up CANS on Shabbos.
what might be some of the problems that could arise with opening up CANS on Shabbos;

what might be some of the problems that could arise with opening up CANS on Shabbos;
wallpaper, pieces of paint or plaster. Making a hole on the top of a baby bottle. Understanding the concept of making a hole on the top of a utensil;
how to work with a window that is stuck and won't close; office chair, drop ceiling, covers on fixtures radiators, etc.
putting together plastic cups. Replacing an EZ filter. Replacing a part of a folding table or folding chair;
to clog a small crack in a pipe. Turning off gas range. Putting on, taking off smoke detector. Unscrewing the bulb that's off;
putting down items on the ground in a slippery area. Raising and lowering a chair, fan, etc. Putting down sand in a slippery area;
children protective gates (usually put in front of staircases). Taking off and putting on pillows on a large couch;
broken eyeglasses worn in a broken state before שבת. Broken leg of a chair or of a bench; am I allowed to move the chair or the bench;
hanging cloth rack, hanging clothes on a tree, etc.
putting back lenses that fell out of the frame of eyeglasses. (Part 2);
putting back lenses that fell out of the frame of eyeglasses. (Part 1);
how to work with different parts of the eyeglasses on Shabbos;
putting in and taking out a extra piece of the table; removing rust from a utensil; an adult playing with a child Lego, fixing a toy;
pulling out a plug from the wall; removing ice attached to the window, door; removing paint cement from door or window;
covering a light switch with a magnet cover;
a tray on a high chair; wheels on the bottom of cribs; wheel of a carriage;
using various types of suction cups. Working with high riser beds, folding cups;
ketchup bottle cap;
opening and closing covers on bottles and containers;
what do we mean when we say it will stay loosely. Garbage can cover, shelf of small bookcase, cover of a hamper;
an armed chair; how to work with a pack and play;
playing with lego, building with blocks, playing with tinker toys, etc.
a candelabra (lichter); loose leg in chair or table; assembling model plane model boat; wheel of a stroller; winding a watch;
refrigerator handle, area rug, sliding door back on the track, putting down a seat cushion;
how to work with various types of cribs;
a leg fell off the chair, folding tables, beds, chairs, a shtender;
understanding the concept of גזרה שמא יתקע (a person might come to tighten it);
understanding the concept of מטה של פרקים (a bed used to travel that had to be put together and taken apart);
important concepts pertaining to כלים (utensils);
What are the halachas of building and destroying in conjunction with כלים (utensils).