\begin{table}%t2 \caption{\label{tab_param}Parameters of our best fit models. Uncertainties are: 3~kK (7~kK for SMC-WR1) on temperatures, 0.1 dex on luminosities (0.15 for SMC-WR1), 0.2 dex on \mdot, 100~\kms\ on \vinf, 0.05 on He/H, 30 to 50$\%$ on abundances. } \small %\centerline { \begin{tabular}{clrrrrrrrrrrrrr} \hline\hline\noalign{\smallskip} Star & ST & $T_{*}$ & \teff & \lL & $R_{*}$ & $\log \dot{M}$ & $f_{\infty}$ & $\beta$ & \vinf & He/H & $X$ & $X$(C) & $X$(N) & $X$(O)\\ & & [kK] & [kK] & & $R_{\odot}$ & [\myr] & & & [\kms] & \# & (\%) &(\%) & (\%) & (\%)\\ \hline SMC-WR1 & WN3h & 65.4 & 60.5 & 5.75 & 5.8 & --5.55 & 0.10$^a$ & 1.0 & 1800 & 0.25 & 0.50 & $<$0.004 & 0.12 & $<$0.04 \\ SMC-WR2 & WN5h & 44.8 & 42.5 & 5.50 & 9.3 & --5.85 & 0.10$^a$ & 1.0 & 1000 & 0.15 & 0.62 & 0.005 & 0.35 & -- \\ SMC-WR4 & WN6h & 43.1 & 42.0 & 5.90 & 16.0& --5.00 & 0.15$^b$ & 1.0 & 1000 & 0.45 & 0.35 & 0.003 & 0.40 & $<$0.15 \\ \hline \end{tabular}} \smallskip $^a$ Adopted.\\ $^b$ Derived from $\chi^{2}$ fit, mass loss rate scaled from model closest to minimum ($f_{\infty}=0.1$). \end{table}