"lack of manpower" is a correct and usable phrase in written English.
Example: The project was delayed due to a lack of manpower.
Lack of manpower and heavy machinery meant that supplies such as trucks were in short supply and had to be used for very different but equally important jobs.
Lack of manpower meant they could not fully man their trenches, so a system was adopted where six men manned a post, with only two on duty during the day.
Lack of manpower could be a limiting factor.
Lack of manpower, training, and monitoring systems, along with negligence and budget constraints, were thought to be hindering factors for such plans.
If they do, it won't be for lack of manpower.
A severe lack of manpower and heavy machinery was holding back relief efforts.
What really hurt was the Knicks' lack of manpower not willpower.
Why? Employees and veterans advocates repeatedly point to one reason: a lack of manpower.
Portland police have promised to limit their presence at rallies held by the group, in part due to a lack of manpower.
"All the coffee shops in the world aren't going to fix a lack of manpower and getting the basics right," he adds.
"It is also a painfully slow process, which I would imagine is down to a lack of manpower," says Mark Goodson, trust and estate practitioner at FW Goodson.
