The phrase "at weak points" is correct and usable in written English.
It can be used to refer to areas of vulnerability or susceptibility in a system, argument, or structure.
Example: "The analysis revealed that the security system was most vulnerable at weak points in its firewall."
Alternatives: "at vulnerable areas" or "at points of weakness".
At weak points in the ice, the gas erupts in small geysers.
The presence of impermeable surface from medium cohesive silty clay acts as a plug resisting and trapping the upward flow of water during liquefaction, so fountain and spouts at weak points occurs.
Having destroyed or blocked the overland supply routes of the government to its Manchurian posts and major centres in North China, the Communists under Gen. Lin Biao struck at weak points along the Nationalist lines.
Tin atoms diffuse and flow to feed the continuous growth of tin whiskers under a compressive stress gradient formed from the extrusion of tin atoms/clusters at weak points on the surface RE(OH 3 layers.
"Communication was much improved and, thanks to aerial reconnaissance, troops were being carefully targeted at weak points in the German lines rather than hurriedly thrown forwards in blind frontal assaults".
The second one can be frequently due to micro ruptures of the dura occurring at weak points along the spinal root sleeves (especially in the presence of connective tissue disorder) resulting in a syndrome known as SIH.
The early prognosis was good as Liverpool pressed at the weak points in Sevilla's back line.
"If it is based on looking at our weak points, that can be good, but we have no idea if he has a deep knowledge.
Therefore, the evaluation of local adhesion is important from an engineering point of view as a means for avoiding unexpected fractures at possible weak points and assessing the mechanical reliability of the layered systems.
Now Kleiner is up to its patched elbows in startups using the Internet to attack the software establishment at its weak points: ease of use, price and service.
It could be targeting construction vehicles, it could be targeting pipeline infrastructure at critical weak points like pump stations.
