## 2 Materials and Methods
\begin{table}
\begin{tabular}{c c c c} \hline \hline  & & **Strengths** & \multicolumn{1}{c}{**Weaknesses**} \\  & & **Positive Factors** & & **Negative Factors** \\ \hline  & - & Elimination/reduction of accidents thanks to & - & Lack of knowledge in the application of JiT principles; \\  & & the delivery of materials exactly on time and & - & Failure to comply with established rules regarding the flow \\  & & in the right quantity, preventing the & of materials in the construction process; \\  & & formation of “congestions” on the & - & Failure to comply with the established work schedule \\  & - & construction site; & creates dangerous situations on the construction site \\  & - & Facilitating work planning, thanks to & (excessive accumulation of materials); \\  & & deliveries on time and in the right quantity, & - & Lack of awareness of the impact of JiT on safe \\  & & creating safer working conditions & - & working conditions. \\  & & (more predictable). & \\ \hline  & \multicolumn{1}{c}{**Opportunities**} & \multicolumn{1}{c}{**Threats**} \\ \hline  & - & Proper coordination between suppliers & \multicolumn{1}{c}{} \\  & - & reduces the risk of accidents resulting from & \multicolumn{1}{c}{} \\  & \multicolumn{1}{c}{“congestion” on the construction site;} & \multicolumn{1}{c}{} \\  & - & Proper coordination of suppliers and & - & Failure of subcontractors’ employees to comply with \\  & & supplies of materials allows for safer work & - & applicable rules; \\  & - & (developed work methods); & - & Additional, continuous supervision of subcontractors’ \\  & - & Positive reception of the company among & \multicolumn{1}{c}{} \\  & potential employees due to the creation of & - & employees in terms of compliance with the \\  & & & introduced solutions; \\  & & safe working conditions and ensuring good & - & Lack of coordination in the supply of materials may result \\  & & organization of work carried out on the & in the disorganization of work and the occurrence of \\  & - &  Building awareness of the implemented & \\  & solutions in the field of occupational health & \multicolumn{1}{c}{} \\  & and safety based on positive results of & \multicolumn{1}{c}{} \\  & inspections by supervisory authorities. & \multicolumn{1}{c}{} \\ \hline \hline \end{tabular}
\end{table} 
Table 9: Analysis of Just in Time’s strengths and weaknesses as well as opportunities and threats related to implementation and use. Stage 3--consisted of a list of solutions/actions aimed at mitigating the threats resulting from the implementation of LM tools (Table 12). \begin{table}
\begin{tabular}{c c c} \hline \hline  & **Strengths** & **Weaknesses** \\  & **Positive Factors** & **Negative Factors** \\ \hline  & - & Lack of knowledge in the field of Kaizen; \\  & - & Incorrect implementation/use of Kaizen; \\  & - & Suggestions of construction workers regarding solutions & - Turnnover of construction workers; \\  & affecting safe working conditions; & - Lack of response to deviations related to \\  & - & Increased employee involvement in pro-safety activities; & health and safety at the construction site; \\  & - & Shaping the culture of occupational safety and health and & - Lack of support from superiors; \\  & safety awareness on the construction site. & - Lack of employee involvement; \\  & - & Lack of awareness of health and safety; \\  & - & Lack of motivation among the crew; \\  & - & Lack of training. \\ \hline  & **Opportunities** & **Threats** \\ \hline  & - & Positive reception among potential employees and other \\  & - & Lack of response to hazards and dangerous \\  & - & entities due to the involvement of employees in creating \\  & - & safe working conditions; \\  & - & Building awareness of the implemented solutions in the \\  & - & field of occupational health and safety based on positive \\  & - & results of inspections by supervisory authorities. \\ \hline \hline \end{tabular}
\end{table} 
Table 10: Analysis of Kaizen’s strengths and weaknesses as well as opportunities and threats related to implementation and use.