For any construction or repair purposes you could no wrong with complete tools. These could be something you personally own and take along for any kind of professional involving work. For your home, having a set of these handy is something that enables you to fix minor problems like tightening bolts and screws, plus perhaps some fix it items for plumbing, gardening and such.
For the handyman or the construction specialist, these are the arms that prepares them for battle, so to speak. Tool sets are very much available anywhere hardware is on display and for sale. You could also get excellent item or see them online where there are a number of commercial site which are available for anyone to access.
There could be a variety of sets which are marketed, according to brand and according to what are commonly used together. Some could be for plumbing, others for basic carpentry or perhaps woodworking implements. There might be sets made for finishing or polishing metal or wood surfaces and perhaps more specialized ones that could depend on a weekend hobby.
The thing is that these are integral units, ones that could not do without its family of tools. But the basics here remain the most versatile tools that might be used for any purpose or for the most common tasks in carpentry or fixing things. Homes and buildings all have these, reliant on the persons or personnel who are able to use them.
The fixing up of anything, whether they are chairs, tables and domestic implements is often just about screwing things more tightly. Things come loose naturally because of use or even misuse, and once in a while you may be required to use some implements to answer these. For more heavy duty use, there are also sets that are available.
These may be ones found in factories or industrial plants and even those that are found in construction sites. People who are tasked to work in these places are pros whose business is to use all sorts of gadgets for making everything run smoothly and well. Most of course buy their own gadgets and these are always relevant to their work.
Again, the specialties can differentiate what any one worker or person employed in these places might have. In this regard, there are implements for piping, for fixing valves, gauges and related stuff. There are the things used for electronics and electrical wires, just like the ones that are found in the home for domestic use.
But these will have more specializations, and can be used in more heavy duty work. These, when used, are often urgently needed and so need to have durability, strength and more leverage on any surface or threaded screws that should be addressed. Maintaining your set is good to do, helping you have good items that you could use every day.
Because of such gadgets, work may be done immediately when and if you have the time. Some urgent repairs might be stopgap when DIYed, but it could spell the difference between having the damage remain minor or becoming really major if unaddressed. Thus you should have some of these things in accessible storage ready for use anytime.